English Reference
adjective · verb · adverb

thin

adj. · v. · adv.
US /ˈθɪn/ UK /θˈɪn/ thin UK spelling thinned, thins

  1. 01 A2 Elementary

    adj.having a small distance between two sides; not thick.

    adj.having little thickness or extent from one surface to its opposite.

    Simple

    The ice on the lake is too thin to walk on safely.

    In context

    The artisan used a thin blade to carve the intricate patterns into the delicate wooden box.

  2. 02 A2 Elementary

    adj.having little fat on the body.

    adj.having little body fat or flesh; lean or slender in build.

    Simple

    He became very thin after being sick for two weeks.

    In context

    The marathon runner had a thin, wiry frame that was perfectly suited for long-distance endurance.

    Pitfall
    She is very thin, she looks beautiful. She is very slim, she looks beautiful.

    'Thin' can sometimes sound negative or unhealthy; 'slim' is usually a compliment.

  3. 03 B1 Intermediate

    adj.flowing easily like water; not thick or sticky.

    adj.of low viscosity or density; lacking substance or volume.

    Simple

    The air is very thin at the top of the mountain.

    In context

    The sauce was too thin, so the chef decided to simmer it for another ten minutes to reduce the liquid.

  4. 04 B2 Upper Intermediate

    adj.having only a few people or things in a large space.

    adj.distributed at wide intervals; not dense or crowded.

    Simple

    The crowd at the stadium was thin because of the heavy rain.

    In context

    Vegetation becomes thin as you move further into the desert, with only a few hardy shrubs surviving the heat.

  5. 05 B2 Upper Intermediate

    v.to make something thinner or to reduce the number of things in a group.

    v.to make or become thin or thinner in consistency or density; often used with 'out'.

    Simple

    You should thin the carrots so the remaining ones have room to grow.

    In context

    The traffic began to thin out after the morning rush hour ended and the commuters reached their offices.

    Usage

    Often used as the phrasal verb 'thin out' when referring to crowds or plants.

  6. 06 B2 Upper Intermediate

    adv.in a way that is not thick.

    adv.in a scattered or sparse manner; not thickly.

    Simple

    Spread the butter thin on the toast so it is not too greasy.

    In context

    The paint was applied so thin that the grain of the wood was still visible underneath.

    thickly

Usage thin film

This entry
Level A2 · Elementary
Frequency Common
Updated