Elementary (A2)
IPA: /ˈθɪn.nəs/
KK: /θɪn.nəs/
Definition
The quality or condition of being slim or having little thickness.
Example
Her thinness made it difficult for her to find clothes that fit well.
Conversation

I read that some people are obsessed with thinness these days.

Yeah, it's kind of crazy how much pressure there is.

It's like they forget that being healthy is more important than thinness.

Exactly! We should focus on feeling good instead.
Synonyms & Antonyms
Synonyms
slimness
leanness
narrowness
Antonyms
thickness
fullness
heaviness
Root Explanation
Thinness → It is formed from "thin" (from Old English "þynne", meaning not thick or slender) and "-ness" (a suffix meaning the state or quality of). The word "thinness" refers to the state of being thin or lacking thickness.
Memory Tip
Think of the word 'thin' to remember that 'thinness' means the quality of being thin.
Visually Confused Words
twinness
tininess
thisness
thenness
inness
nothingness
whininess
tintiness