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Showing results for thin. Search instead for thinn.
Definitions

thin

[thin] / θɪn /
ADJECTIVE
fine, light, slender
Synonyms
STRONGEST
delicate fragile gaunt lean meager narrow skinny slim small
STRONG
attenuate attenuated emaciated peaked pinched pole rarefied shadow shriveled slight spare starved stick undernourished wan wasted
WEAK
beanpole beanstalk bony cadaverous ethereal featherweight gangling gangly haggard lank lanky lightweight puny rangy rawboned reedy rickety scraggy scrawny skeletal slinky spindly stalky stilt subtle threadlike twiggy twiglike underweight wizened
Antonyms
STRONGEST
big broad-minded fat generous heavy large liberal plump strong thick wide
STRONG
colorful flushed
WEAK
concentrated dense efficient inflated obese solid undiluted
ADJECTIVE
transparent, fine
Synonyms
STRONGEST
delicate flimsy paper-thin slim translucent wispy
STRONG
attenuate attenuated rarefied refined sheer slight
WEAK
diaphanous filmy gossamer permeable rare see-through subtile subtle tenuous unsubstantial wafer-thin
Antonyms
STRONGEST
heavy strong
STRONG
thick
WEAK
concentrated dense efficient fat inflated obese solid undiluted
ADJECTIVE
deficient, weak
Synonyms
STRONGEST
flat flimsy meager poor shallow skimpy sparse thick transparent
STRONG
diluted lame scant scattered slight stretched
WEAK
feeble implausible improbable inadequate inconceivable incredible insubstantial insufficient questionable scanty scarce sketchy superficial unbelievable unconvincing unpersuasive unsubstantial untenable vapid weak-kneed
Antonyms
STRONGEST
adequate full intelligent reasonable strong substantial sufficient
STRONG
concentrated
WEAK
dense efficient fat heavy inflated obese solid undiluted
ADJECTIVE
diluted
Synonyms
STRONGEST
watery weak
STRONG
diffuse dilute dispersed fine light rarefied refined
WEAK
runny subtle wishy-washy
Antonyms
STRONGEST
concentrated
STRONG
dark unrefined
WEAK
dense efficient fat heavy inflated obese solid strong thick undiluted
VERB
make diluted or less dense
Synonyms
STRONGEST
decrease diminish irrigate prune refine trim weaken
STRONG
attenuate cook cut delete disperse doctor edit emaciate expand extenuate lace needle rarefy reduce shave spike water
WEAK
cut back water down weed out
Antonyms
STRONGEST
develop enlarge grow increase
STRONG
strengthen
WEAK
beef up thicken

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.

Its thin atmosphere and dusty terrain create an environment where constant motion generates electrical energy.

From Science Daily • Apr. 5, 2026

Despite the win, at this stage of his career the margins are thin and Father Time has also almost crept up on the Bronze Bomber.

From BBC • Apr. 4, 2026

Rocket development is always a difficult endeavor, with margins between success and fiery failures relatively thin.

From The Wall Street Journal • Apr. 4, 2026

While trading in the fund can be relatively thin, it still provides a useful gauge of conditions for recently public companies.

From Barron's • Mar. 31, 2026

There were two thin slices of bread sitting on the hearth.

From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.