Synonyms of thin in English:

thin

adjective

  • 1 a thin white line
    narrow, fine, attenuated
    [Antonyms] thick broad
  • 2 a thin cotton nightdress
    [Antonyms] thick heavy
  • 3 a tall, thin woman
    slim, lean, slender, rangy, willowy, svelte, sylphlike, spare, slight; skinny, underweight, scrawny, waiflike, scraggy, bony, angular, rawboned, hollow-cheeked, gaunt, skin-and-bones, emaciated, skeletal, wasted, pinched, undernourished, underfed; lanky, spindly, gangly, gangling, weedy; size-zero
    informal anorexic, (looking) like a bag of bones
    [Antonyms] plump overweight fat
  • 4 his thin gray hair
    sparse, scanty, wispy, thinning
    [Antonyms] thick abundant
  • 5 a bowl of thin soup
    [Antonyms] thick hearty
  • 6 her thin voice
    weak, faint, feeble, small, soft; reedy
    [Antonyms] strong loud
  • 7 the plot is very thin
    insubstantial, flimsy, slight, feeble, lame, poor, weak, tenuous, inadequate, insufficient, unconvincing, unbelievable, implausible
    [Antonyms] meaty convincing
  • verb

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  • 1 some paint must be thinned down before use
    dilute, water down, weaken
  • 2 the crowds were beginning to thin out
    disperse, dissipate, scatter; become less dense, become less in number, decrease, diminish, dwindle
  • Definition of thin in:

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    Word of the day neoteny
    Pronunciation: niːˈɒt(ə)ni
    noun
    retention of juvenile features in the adult animal