Definition of "thin" in English

adjective

1. Having little thickness or extent from one surface to its opposite.

   • thin plate of metal; thin paper; thin board; thin covering

2. Very narrow in all diameters; having a cross section that is small in all directions.

   • thin wire; thin string

3. Having little body fat or flesh; slim; slender; lean; gaunt.

   • thin person

4. Of low viscosity or low specific gravity.

   • Water is thinner than honey.

5. Scarce; not close, crowded, or numerous; not filling the space.

   • The trees of a forest are thin; the corn or grass is thin.

6. (golf) Describing a poorly played golf shot where the ball is struck by the bottom part of the club head. See fat, shank, toe.

7. Lacking body or volume; small; feeble; not full.

   • a thin, tight-lipped smile

8. Slight; small; slender; flimsy; superficial; inadequate; not sufficient for a covering.

   • a thin disguise

9. (aviation) Of a route: relatively little used.

10. Poor; scanty; without money or success.

noun

1. (philately) A loss or tearing of paper from the back of a stamp, although not sufficient to create a complete hole.

2. Any food produced or served in thin slices.

   • chocolate mint thins
   • potato thins
   • wheat thins

verb

1. (transitive) To make thin or thinner.

2. (intransitive) To become thin or thinner.

   • The crowds thinned after the procession had passed: there was nothing more to see.

3. To dilute.

4. To remove some plants or parts of plants in order to improve the growth of what remains.

adverb

1. Not thickly or closely; in a scattered state.

   • seed sown thin