Hardest Words To Spell

List of English hardest words to spell, you can learn correct pronunciation and definition of these words to improve your English vocabulary.

  • astringent
  • substance that shrinks

  • detumescence
  • diminishing or lessening of swelling

  • raconteur
  • person who tells anecdotes

  • excoriation
  • severe criticism

  • ebullience
  • exuberance outburst of feeling

  • peccadillo
  • small sin small weakness in one’s character

  • protracted
  • prolonged

  • contumacious
  • insubordinate rebellious

  • palpability
  • can be felt touched understood

  • disseminate
  • distribute (esp. ideas)

  • blandishment
  • flattery coaxing

  • salubrious
  • healthful

  • muffler
  • cloth worn round the neck/silencer

  • provisional
  • of the present time only

  • unscathed
  • unharmed unhurt

  • peripatetic
  • wandering

  • effrontery
  • boldness impudence arrogance

  • elaborate
  • worked out with much care in great detail

  • presumption
  • arrogance

  • inadvertent
  • not paying proper attention

  • misanthrope
  • person who hates mankind

  • reprobate
  • person hardened in sin one devoid of decency

  • petrous
  • like a rock hard stony

  • exoneration
  • set smb clear free (e.g.. from blame)

  • incongruous
  • out of place not in harmony or agreement

  • euthanasia
  • easy and painless death

  • apartheid
  • brutal racial discrimination

  • grandiloquent
  • using pompous words

  • equipoise
  • equal distribution of weight equilibrium

  • contentious
  • argumentative pugnacious combative quarrelsome

  • ostracism
  • shut out from society refuse to meet talk

  • temperate
  • showing self-control

  • eloquence
  • fluent speaking skillful use of language

  • indelible
  • that cannot be rubbed out

  • turpitude
  • wickedness shamefulness

  • puissance
  • strength

  • cognizant
  • being fully aware of

  • garrulity
  • talkativeness

  • valorous
  • brave

  • halcyon
  • calm and peaceful

  • demagogue
  • person appealing not to reasons

  • proliferate
  • grow reproduce by rapid multification

  • connotation
  • suggestion in addition to

  • resuscitation
  • coming back to consciousness

  • lachrymose
  • causing tears tearful

  • dexterity
  • skill (esp. in handling)

  • unencumbered
  • easy-going trifle

  • imbroglio
  • complicated and embarrassing situation

  • ostentation
  • display to obtain admiration or envy

  • obdurate
  • hardened and unrepenting stubborn inflexible

  • belabor
  • beat hard

  • ingenuous
  • naive young artless frank honest sincere

  • predilection
  • special liking mental preference

  • indigence
  • poverty

  • mellifluous
  • sweetly flowing

  • collusion
  • secret agreement for a deceitful purpose

  • vivacious
  • lively high-spirited

  • laudatory
  • expressing or giving praise

  • convoluted
  • complicated coiled twisted

  • enunciate
  • pronounce (words)/express a theory

  • irresolute
  • hesitating undecided

  • imperious
  • commanding haughty arrogant

  • connoisseur
  • a person with good judgement (e.g.. in art)

  • admonitory
  • containing warning

  • disheveled
  • untidy

  • labyrinthine
  • to entangle the state of affairs

  • coalescing
  • coming together and uniting into one substance

  • turbulence
  • being uncontrolled violent

  • preponderance
  • greatness in number strength weight

  • apotheosis
  • deification glorification to godliness

  • sullied
  • to be stained or discredited

  • vitiate
  • lower the quality weaken the strength

  • alcove
  • recess/partially enclosed place

  • inscrutable
  • incapable of being discovered or understood

  • idolatry
  • excessive admiration of

  • embellish
  • make beautiful

  • enduring
  • lasting

  • divulge
  • make known smth secret

  • maladroit
  • tactless clumsy

  • imperviousness
  • haughty arrogant commanding

  • undulate
  • to move in wavelike fashion fluctuate

  • picaresque
  • involving clever rogues or adventurers

  • soporific
  • producing sleep

  • turquoise
  • greenish-blue precious stone

  • amortize
  • end (a debt) by setting aside money

  • quotidian
  • banal everyday

  • flaunting
  • show off complacently

  • desuetude
  • cessation of use disuse

  • antidote
  • medicine used against a poison or a disease

  • ostensible
  • seeming appearing as such professed

  • antithetical
  • direct opposing

  • chicanery
  • legal trickery/false argument

  • buoyant
  • able to float light-hearted

  • exuberance
  • state of growing vigorously being full of life

  • sequence
  • succession connected line of

  • curriculum
  • course of study

  • desultory
  • aimless haphazard digressing at random

  • propinquity
  • nearness in time or place affinity of nature

  • sagacious
  • having sound judgment perceptive wise like a sage

  • belligerent
  • (person nation) waging war

  • propagation
  • increasing the number spreading extending

  • heterogeneous
  • made up of different kinds

  • petrified
  • taken away power (to think feel act)

  • penchant
  • strong inclination a liking

  • deviance
  • being different in moral standards (from normal)

  • inchoate
  • not yet fully formed rudimentary elementary

  • quiescent
  • at rest dormant torpid

  • corporeal
  • physical of or for the body

  • indigenous
  • native

  • pusillanimous
  • cowardly craven

  • salutary
  • remedial wholesome causing improvement

  • piquant
  • agreeably pungent stimulating

  • incorrigibility
  • cannot be cured or corrected

  • opprobrious
  • showing scorn or reproach

  • unfeigned
  • not pretended sincere

  • felicitous
  • apt suitably expressed well chosen apropos

  • epicurean
  • devoted to pleasure (sensuous enjoyment)

  • suppress
  • prevent from being known put an end to

  • idiosyncrasy
  • personal mannerism

  • interdict
  • prohibit forbid

  • aspersion
  • slander

  • constrict
  • make tight or smaller

  • imperative
  • urgent essential

  • timorous
  • fearful timid afraid

  • transgress
  • break go beyond (a limit)

  • vindictive
  • having a desire to revenge

  • defiance
  • open disobedience or resistance

  • palpitate
  • tremble beat rapidly and irregularly

  • proscribe
  • denounce as dangerous

  • philistine
  • a smug ignorant person one who lacks knowledge

  • harangue
  • a long passionate speech

  • trickle
  • flow in drops

  • propitious
  • auspicious presenting favorable circumstances

  • atonement
  • repayment death of Jesus

  • indolence
  • laziness

  • palatial
  • magnificent

  • frenetic
  • frantic frenzied

  • ineptitude
  • quality of being unskillful

  • surfeit
  • satiate feed to fulness or to excess

  • consummate
  • perfect/make perfect/complete

  • eschew
  • avoid

  • castigate
  • to chastise correct by punishing

  • deluge
  • great flood heavy rush of water

  • moderation
  • quality of being limited not extreme

  • renovate
  • restore smth to better condition

  • opaqueness
  • dullness/not allowing light to pass through

  • cumbersome
  • burdensome heavy and awkward to carry

  • countervail
  • counterbalance

  • exhaustive
  • complete thorough

  • squalid
  • foul filthy

  • procrastination
  • keeping on putting off

  • approbation
  • approval

  • audacious
  • daring foolishly bold impudent

  • sophistry
  • fallacious reasoning faulty logic

  • recondite
  • little known abstruse

  • reproach
  • scold upbraid

  • tadpole
  • form of a frog when it leaves the egg

  • mendacity
  • dishonesty

  • dislodge
  • move force from the place occupied

  • indistinct
  • not easily heard seen clearly marked

  • indomitable
  • not easily discouraged or subdued

  • punctilious
  • precise paying attention to trivialities

  • expiation
  • ending expiring

  • accretion
  • the growing of separate things into one

  • prudence
  • careful forethought

  • trifling
  • unimportant

  • supersede
  • take the place of

  • spurious
  • FALSE counterfeit

  • pellucid
  • transparent easy to understand

  • aggravate
  • make worse irritate

  • nostrum
  • a quack remedy an untested cure

  • judicious
  • sound in judgment wise

  • vacillation
  • being uncertain hesitating

  • doggerel
  • trivial poorly constructed verse

  • pugnacious
  • fond of in the habit of fighting

  • preclude
  • prevent make impossible

  • matriculation
  • be admitted enter a university as a student

  • ineluctable
  • certain inevitable

  • impervious
  • not allowing to pass through (of materials)

  • repulsive
  • causing a feeling of disgust

  • irrevocable
  • final and unalterable

  • underbid
  • make a lower bid then smb else

  • conviction
  • convincing firm belief

  • susceptibility
  • sensitiveness

  • arboreal
  • of connected with trees

  • contiguous
  • touching neighboring near

  • loquacious
  • talkative garrulous

  • ineffable
  • to great to be described in words

  • chastisement
  • punishment

  • quiescence
  • state of being passive/motionless

  • nugatory
  • trifling/worthless

  • dawdler
  • person who is slow waste of time

  • clientele
  • customers

  • splenetic
  • bad-tempered irritable

  • vigorous
  • strong energetic

  • impugned
  • challenged to be doubted

  • expostulate
  • argue earnestly to dissuade correct or protest

  • forbearance
  • patience willingness to wait

  • divergence
  • getting farther apart from a point

  • auspicious
  • favorable successful prosperous

  • extenuate
  • cause (an offence) to seem less serious

  • foolproof
  • incapable of failure or error

  • irascible
  • irritable easily angered

  • denouement
  • an outcome or solution the unraveling of a plot

  • perfunctory
  • done as a duty without care

  • complaisance
  • tending to comply obliging willingness to please

  • gregarious
  • living in societies liking the company

  • nonchalant
  • not having interest

  • arabesque
  • a complex ornate design

  • aberration
  • straying away from what is normal

  • extinguish
  • end the existence of/wipe or put out

  • trenchant
  • forceful effective vigorous extremely perceptive incisive

  • obstreperous
  • noisy loud

  • intransigent
  • uncompromising

  • ubiquitous
  • present everywhere

  • tautology
  • a repetition a redundancy

  • vituperate
  • curse abuse in words

  • conspicuous
  • easily seen remarkable

  • fulmination
  • bitter protest

  • fragrant
  • sweet-smelling

  • obfuscate
  • to darken make obscure muddle

  • assiduous
  • diligent hard-working sedulous

  • pernicious
  • harmful injurious

  • aversion
  • strong dislike

  • recidivism
  • relapse into antisocial or criminal behavior

  • perspicacity
  • quick judging and understanding

  • castigation
  • severe punishment

  • stigmatize
  • describe smb scornfully

  • exorbitant
  • much too high or great

  • truculence
  • aggressiveness ferocity

  • anguish
  • severe suffering

  • rancorous
  • feeling bitterness spitefulness

  • itinerate
  • to travel from place to place to peregrinate

  • ambidextrous
  • able to use the left hand or the right equally well

  • detraction
  • slandering verbal attack aspersion

  • peremptory
  • urgent imperative unchallengeable ending debate

  • apprehensive
  • anxious or fearful that something bad

  • immaculate
  • pure faultless

  • stipulate
  • state or put forward as a necessary condition

  • poignant
  • deeply moving keen

  • sedulous
  • persevering

  • entangle
  • put into difficulties

  • inveterate
  • deep-rooted. long-established

  • effluvia
  • outflow in a stream of particles a noxious odor or vapor

  • edacious
  • voracious devouring

  • auxiliary
  • helping supporting

  • superimpose
  • put smth on the top

  • whimsical
  • full of odd and fanciful ideas

  • substantiation
  • giving facts to support (statement)

  • figurehead
  • carved image on the prow of a ship

  • abdication
  • giving up control authority

  • fallacious
  • based on error

  • imprecation
  • an invocation of evil a curse

  • taciturn
  • untalkative silent

  • ameliorate
  • improve make better

  • suffocate
  • cause or have difficulty in breathing

  • exculpate
  • to clear from a charge of guilt

  • counterfeit
  • forgery

  • dissemble
  • speak or behave so as to hide smth (in mind)

  • noxious
  • harmful

  • prosaic
  • everyday mundane commonplace trite pedestrian

  • lassitude
  • weariness tiredness

  • expedient
  • likely to be useful for a purpose

  • negligent
  • taking too little care

  • parsimonious
  • too economical miserly

  • resilience
  • quality of quickly recovering the original shape

  • epitome
  • brief summary representative example a typical model

  • reciprocity
  • granting of privileges in return for similar

  • fidelity
  • loyalty accuracy

  • stentorian
  • extremely loud and powerful

  • vanquish
  • conquer

  • machination
  • plot scheme (esp. evil)

  • chastened
  • corrected punished

  • profligate
  • wasteful prodigal licentious extravagant

  • bellicose
  • belligerent pugnacious warlike

  • remonstrate
  • to protest object

  • salacious
  • obscene

  • equivocate
  • try to deceive by equivocal language

  • ponderous
  • heavy bulky dull

  • prevaricate
  • to equivocate to stray from the truth

  • curmudgeon
  • bad-tempered person

  • conciliatory
  • reconciling soothing comforting mollifying

  • indefatigability
  • not easily exhaustible tirelessness

  • jocular
  • meant as a joke

  • impromptu
  • without preparation

  • encumbrance
  • burden things that get on the way of

  • rapacious
  • greedy (esp for money)

  • propitiatory
  • conciliatory appeasing mitigating

  • credulity
  • too great a readiness to believe things

  • sententious
  • short and pithy full of maxims/proverbs

  • sobriety
  • quality or condition of being sober

  • incumbents
  • official duties

  • boisterous
  • loud noisy rough lacking restraint

  • untoward
  • unfortunate inconvenient

  • tarnished
  • lost brightness

  • correlate
  • have a mutual relation

  • benevolence
  • wish or activity in doing good

  • dissolution
  • disintegration looseness in morals

  • incursion
  • a raid a sudden attack

  • penitent
  • feeling or showing regret