[ slim ]
See synonyms for: slimslimmerslimmestslimming on

adjective,slim·mer, slim·mest.
  1. slender, as in girth or form; slight in build or structure.

  2. poor or inferior: a slim chance; a slim excuse.

  1. small or inconsiderable; meager; scanty: a slim income.

  2. sized for the thinner than average person.

verb (used with object),slimmed, slim·ming.
  1. to make slim.

verb (used without object),slimmed, slim·ming.
  1. to become slim.

  2. Chiefly British. to try to become more slender, especially by dieting.

  1. a garment size meant for a thin person.

Verb Phrases
  1. slim down,

    • to lose weight, especially intentionally.

    • (of a business) to reduce operating expenses; economize.

Origin of slim

1650–60; <Dutch slim sly, (earlier) crooked (cognate with German schlimm bad, (earlier) crooked)

synonym study For slim

1. See slender.

Other words for slim

Opposites for slim

Other words from slim

  • slimly, adverb
  • slimness, noun
  • un·slim, adjective
  • un·slim·ly, adverb
  • un·slim·ness, noun
  • un·slimmed, adjective

Words Nearby slim Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use slim in a sentence

British Dictionary definitions for slim (1 of 3)


/ (slɪm) /

adjectiveslimmer or slimmest
  1. small in width relative to height or length

  2. small in amount or quality: slim chances of success

verbslims, slimming or slimmed
  1. to make or become slim, esp by diets and exercise

  2. to reduce or decrease or cause to be reduced or decreased

Origin of slim

C17: from Dutch: crafty, from Middle Dutch slimp slanting; compare Old High German slimbi obliquity

Derived forms of slim

  • slimly, adverb
  • slimmer, noun
  • slimness, noun

British Dictionary definitions for Slim (2 of 3)


/ (slɪm) /

  1. the E African name for AIDS

Origin of Slim

from its wasting effects

British Dictionary definitions for Slim (3 of 3)


/ (slɪm) /

  1. William Joseph, 1st Viscount. 1891–1970, British field marshal, who commanded (1943–45) the 14th Army in the reconquest of Burma (now called Myanmar) from the Japanese; governor general of Australia (1953–60)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012