Did you know?

Click any word in a definition or example to find the entry for that word

thin - definition and synonyms

 
 
 
Close
What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close
ThesaurusThesaurus
Thesaurus diagram

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
adjective     thin pronunciation in American English
/θɪn/
Word Forms
Close
adjectivethin
comparativethinner
superlativethinnest
  1. 1
    a thin object or material has only a short distance between two opposite sides, edges, or surfaces

    The box was covered with a thin layer of dust.

    There’s a thin crack in the glass.

    Cut the cucumbers and tomatoes into thin slices.

  2. 2
    someone who is thin has very little fat on their body

    Charles was thin and very tall.

    She has been sick and is much too thin.

    1. a.
      a thin part of the body has very little fat on it

      thin bony arms

  3. 3
    small in number or amount

    Dexter won by a thin margin (=a small number of votes, points etc.).

  4. 4
    a thin liquid contains mostly water, so that it flows easily

    a plate of meat covered with thin gravy

  5. 6
    thin hair, fur, or plants do not look solid because there are spaces between the individual hairs or leaves

    a thin mustache

  6. 7
    a thin voice or sound is high and unpleasant to listen to

    I heard a thin high cry.

  7. 8
    thin air has less oxygen in it than usual

    In the mountains, the air is thinner.

  8. 9
    if someone gives a thin smile, their lips move but the feeling is not sincere

derived word

thinness

noun [uncountable]
See also
 
  • Facebook
  • Twitter
BuzzWord

hygge

a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

BuzzWord Article

Open Dictionary

sofar

a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play