thinnest

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

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.

The thinnest part of the phone, the left-side panel, is 3.9 millimeters thick—equivalent to five credit cards—and the device is 12.9 millimeters thick when completely folded.

From The Wall Street Journal • Dec. 2, 2025

It was believed to be the time when the veil between the living and the dead was at its thinnest and spirits roamed the earth.

From BBC • Oct. 31, 2025

After weeks of wrangling, the House passed the bill last week by the thinnest of margins.

From Slate • May 29, 2025

Thanks to delays caused by the strikes, the 2024 drama slate was the thinnest since “Quincy, M.E.” roamed L.A.’s streets, keeping us safe.

From Los Angeles Times • May 27, 2025

Her features were watery and indistinct, but he knew her voice: bright and brittle, like the thinnest layer of ice over a fast stream.

From "Blood of Olympus" by Rick Riordan