Hardest

//ˈhɑːdɪst//

Synonyms for "hardest" (822 found)

Ranked by relevance and common usage.

Closest matches (165)

difficult strong adamantine backbreaking calculating concentrated corneous granitelike hardened harsh incontrovertible intemperate resistant severely solid steely stonelike surd tough unyielding

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velar about absolute abstruse accented acerb acerbic acrid acrimonious actively actual acute adamant addictive adverse afflictive agonizing agonizingly al dente alcoholic all but almost along toward alveolar amaroidal anesthetic angry antagonistic apical apico-alveolar apico-dental approximately ardent ardently arduous arduously around articulated assiduous assiduously assimilated astringent at close quarters at hand atrocious austere avid back bad badly baffling bankrupt bare barytone bec et ongles beefy beyond one bilabial biting bitter bitter as gall bleak bloodless blunt bony bothersome bouncing bowelless brassy brazen broad broke brutal brutish bulky burdensome businesslike busted cacuminal calamitous callous calloused carefully cartilaginous case hardened case-hardened cast-iron caustic cement cemental central cerebral checked chewy clear close close about close at hand close by close-knit close-textured close-woven coarse cohesive cold cold blooded cold of heart coldblooded coldhearted compact compacted complex complicated compressed concrete condensed conditioning conflicting confusing congested conscienceless conscientious conscientiously consolidated consonant consonantal continuant contrary

Adjective(14 words)

stony erect grim resistant solid tough adamantine arduous callous challenging cold cold-eyed concrete confusing

Adjective(3 words)

arduous backbreaking concentrated

Strong matches (246)

cool coriaceous counter counteractive crabbed crammed crammed full cramp cramping critical crowded cruel dark deep deeply definite delicate demanding dense dental

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despotic determinedly detrimental devastating devoted devotedly dictatorial difficile diligent diligently disastrous dispassionate dissimilated distinct distressing distressingly dog-eat-dog dogged doggedly domineering dorsal doughty dour down-to-earth draconian dull durable dure dynamically eager eagerly earnestly effortful effortfully enduring energetic energetically enigmatic evil exacting excruciating exhausting factual fast by fatiguing fervent fibrous firm firmly flat flinthearted flintlike flinty forceful forcefully forcible forcibly forcy formidable front full blooded full-blooded full-strength fundamentalist garbled gentry genuine glide glossal glottal gluey gnawing granitic grave grievous grim grinding griping gristly gutsy guttural gutty habit-forming habituating hairy hale hammer and tongs hard as nails hard by hard core hard earned hard fought hard of heart hard to understand hard up hard-bitten hard-boiled hard-core hard-earned hard-fought hard-nosed hard-set hardheaded hardhearted hardly hardworking hardy harmful harrowing harshly heart and soul heartily heartless hearty heavy hefty herculean hereabout hereabouts hidebound high horny hostile hurtful hurting husky ill immovable immutable impassible impecunious impenetrable impenitent impermeable impervious implacable impliable impoverished impregnable in opposition in spitting distance in the red inclement incomprehensible incontestable indefatigable indefatigably indigent indisputable indurate indurated industrious industriously inelastic ineluctable inescapable inexorable inflexible inhuman inimical inscrutable insensate insensible insensitive insolent insoluble intemperately intense intensely intensive intent intently intonated intractable intransigent intricate inured involved irksome iron iron-hard ironbound ironclad ironhanded ironlike irreconcilable jam packed jam-packed jammed jawbreaking jumbled just around the corner keen

Noun(2 words)

crack crack cocaine

Adjective(22 words)

difficult dour effortful firm flint-hearted forbidding frosty granitic hard-boiled hardened hardhearted harsh heartless hostile humorless icy incontrovertible indubitable inflexible insensitive

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intolerable iron-hearted

Adjective(5 words)

difficult grueling gruelling heavy intemperate

Adverb(4 words)

firmly hardly heavily intemperately

Related words (411)

knockout knotted knotty labial labiodental labiovelar labored laborious laboriously lapideous lasting lateral lax lean leatherlike leathery light lingual liquid lithoid

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lithoidal lost to shame low lusty magisterial manfully marble marblelike massive matter-of-fact mean merciless methodical mid mightily mighty miserable monophthongal most much muscle bound muscle-bound muted narrow nasal nasalized near near at hand nearabout nearabouts nearby nervy never idle nigh nigh about no picnic nonporous not easy not far obdurate obfuscated obscure obscured obstinate occlusive onerous only a step open operose operosely opposed opposing opposite oppressive orthodox osseous overtechnical oxytone pachydermatous packed painful painfully palatal palatalized paroxysmal penetrating penniless perplexed perplexing perseveringly persistent persistently petrified pharyngeal pharyngealized philistine phonemic phonetic phonic physiologically addictive piercing pitch pitched pitiless plain poignant poor positive posttonic potent poverty-stricken powerful practical practically pragmatic pragmatical prickly procrustean profound proof against psychologically addictive puissant pungent purist puristic puritan puritanic puritanical puzzling racking real realistic recondite red blooded red-blooded relentless relentlessly remorseless resistive retroflex rigid rigorist rigoristic rigorous robust robustious rock-ribbed rockbound rocklike rocky ropy rough rounded rugged ruthless savage scabrous scrambled searching seared sedulous sedulously semihard semivowel serious serried set set with thorns severe shameless sharp shooting sinewy sinister slavish sleepless sober soft solidified sonant sound sour spartan spasmatic spasmic spasmodic spiny spiritedly spirituous stabbing stable stale stalwart stark steadfastly steady steeled steeled against steellike steep stern sticky stiff stinging stony stonyhearted stopped stout straight straightforward straightlaced straining straitlaced strapping strenuous strenuously stressed stressful strict stringent stringy strong as brandy strong as strong strong willed strong-willed stubborn studiously sturdy substantial sure enough sure-enough syllabic systematic tangled tart tenacious tense terrible the hard way thereabout thereabouts thick thick skinned thick-growing thick-skinned thickset thorny throaty ticklish tireless tiresome tiring toilsome toilsomely tonal tonic tooth and nail tormenting torturous tough as leather tricky troublesome troublous trying tumid twangy tyrannical unabject unaccented unaffected unalterable unavoidable unbending unblushing unchangeable uncompassionate uncompassioned uncompromising uncontrite undeniable unemotional unfalteringly unfavorable unfeeling unflagging unforgiving unfriendly ungentle ungiving unidealistic unkind unmelted unmerciful unmoved unnatural unpitiful unpitying unpleasant unquestionable unrelenting unremitting unremorseful unrepentant unrepenting unresponsive unromantic unrounded unruly unsentimental unsleeping unsoftened unsolvable unsparing unstressed unsympathetic unsympathizing untiring untiringly untouched untoward unvarnished unwearied uphill urgently utilitarian vehement verifiable vigorous vigorously vinous violently viscid viscose viscous vocalic vocoid voiced voiceless vowel vowellike weak wearing wearisome wearying well-built well-constructed well-defined well-founded well-grounded well-made well-nigh wicked wide winy wiry with a kick with a will with effort within call within earshot within hearing within reach without mercy woody wretched zealous zealously

Adjective(11 words)

knockout laborious operose punishing severe strong surd toilsome tough unvoiced voiceless

Adjective(32 words)

lithic murderous nasty puzzling rigid rigorous robust rockhearted rocky severe stern stiff stonehearted stonyhearted stout strict strong struggleful sturdy thistly

Show 12 more words

tricky unambiguous unbearable unbending uneath unequivocal unfriendly unmoved unquestionable unsimple unsympathetic unyielding

Adverb(1 words)

severely

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

3 relation types

derived

1 entries

hardest working

form of

1 entries

hard

related to

2 entries

difficult rigid

Sample sentences

12 total sentences available.

Tatoeba + Wiktionary

Fortune 500 companies were the hardest hit by recent legislation.

Source: tatoeba (34378)

In most sports the team that practice hardest usually brings home the bacon.

Source: tatoeba (41206)

The first step is always the hardest.

Source: tatoeba (244016)

We always begin with the hardest problems.

Source: tatoeba (247894)

Showing 4 of 12 available sentences.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.