Definitions

thick

[thik] / θɪk /

ADJECTIVE

deep, bulky

Synonyms

STRONGEST

broad chunky fat hard heavy massive wide

STRONG

compact concrete firm high husky solid squat

WEAK

blubbery burly consolidated obese pudgy stocky stubby stumpy substantial thickset

Antonyms

STRONGEST

easy little narrow restricted skinny slight slim small thin

STRONG

flexible loose low slack soft weak

WEAK

attenuated clear diluted intelligent reasonable sensible smart uncrowded unfriendly unsociable watery wise

ADJECTIVE

concentrated, dense

Synonyms

STRONGEST

deep gooey heavy impenetrable opaque stiff syrupy

STRONG

close compact concrete firm set solid

WEAK

caked clabbered clotted coagulated compressed condensed congealed consolidated crowded curdled fixed gelatinous gloppy gummous gummy gunky impervious jelled jellied ossified ropy sloppy solidified thickened turbid viscid viscous vitrified

Antonyms

STRONGEST

clear easy light soft trivial understandable

STRONG

flexible indefinite loose slack

WEAK

attenuated diluted intelligent reasonable sensible slight smart thin uncrowded unfriendly unsociable watery wise

ADJECTIVE

crowded, packed

Synonyms

STRONGEST

abundant dense full impenetrable tight

STRONG

close compact great rank solid

WEAK

brimming bristling bursting chock-full compressed concentrated condensed considerable covered crammed crawling with frequent heaped impervious inspissated like sardines localized multitudinous numerous populated populous profuse replete several swarming teeming

Antonyms

STRONGEST

open sparse thin

STRONG

loose

WEAK

attenuated clear diluted intelligent reasonable sensible slight smart uncrowded unfriendly unsociable watery wise

ADJECTIVE

stupid

Synonyms

STRONGEST

dense dull

WEAK

blockheaded boneheaded brainless dim-witted doltish dopey dumb ignorant insensitive moronic numbskulled obtuse slow slow-witted thickheaded

Antonyms

STRONGEST

intelligent smart

WEAK

attenuated clear diluted loose reasonable sensible slight thin uncrowded unfriendly unsociable watery wise

ADJECTIVE

dense (referring to weather)

Synonyms

STRONGEST

dull heavy impenetrable muddy soupy

WEAK

cloudy foggy indistinct obscure turbid

Antonyms

STRONGEST

bright clear light

WEAK

attenuated diluted intelligent loose reasonable sensible slight smart thin uncrowded unfriendly unsociable watery wise

ADJECTIVE

friendly

Synonyms

STRONG

close cordial familiar intimate

WEAK

chummy confidential devoted hand in glove inseparable on good terms

Antonyms

STRONG

aloof cool unfriendly

WEAK

attenuated clear diluted intelligent loose reasonable sensible slight smart thin uncrowded unsociable watery wise

ADJECTIVE

unreasonable

Synonyms

STRONGEST

thin

STRONG

flimsy

WEAK

excessive implausible improbable inconceivable incredible too much unbelievable unconvincing unfair unjust unsubstantial

Antonyms

WEAK

attenuated clear diluted intelligent loose reasonable sensible slight smart uncrowded unfriendly unsociable watery wise

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Fibrolamellar carcinoma gets its name from the thick fibrous bands that run throughout the tumors.

From Science Daily • Jun. 25, 2026

Here’s another reason to cover up in the thick of tick season this summer: There is a bite that can leave you allergic to burgers, bacon and steak.

From The Wall Street Journal • Jun. 25, 2026

I have been there on sweltering hot days, dressed from top to toe in nylon hi-vis, thick safety boots and a hot hard hat.

From BBC • Jun. 25, 2026

A white Ford pickup truck broke through a thick curtain of fog one morning in February, winding its way down a muddy farm road in California’s Central Valley.

From Salon • Jun. 22, 2026

He had a great reach to his front legs and a thick mane and straight back.

From "Woodsong" by Gary Paulsen

Vocabulary lists containing thick

"Saying Yes" and "A Lion Hunt"

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

thick

Example Sentences

Related Words

Vocabulary lists containing thick

"Saying Yes" and "A Lion Hunt"