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dim

/dɪm/
/dɪm/
IPA guide

Other forms: dimmed; dimming; dims; dimmest

Dim has several meanings related to a lack of light, hope, or knowledge. A room that is not well lit is dim, a slow thinker is dim, and when life looks hopeless, your prospects are dim.

To dim a light is to dull it, like by putting a shade over it. A vague idea without a lot of specifics is also dim, since it's hard to see or understand the idea. Someone who's not very bright is dim or a dimwit. When things are hopeless, they're dim too. For example, if a football team is losing by fifty points, their chances of winning are dim.

Definitions of dim
  1. adjective
    lacking in light; not bright or harsh
    “a dim light beside the bed”
    synonyms: subdued
    dark
    devoid of or deficient in light or brightness; shadowed or black
  2. adjective
    made dim or less bright
    “the dimmed houselights brought a hush of anticipation”
    dimmed headlights”
    “we like dimmed lights when we have dinner”
    synonyms: dimmed
    low-beam
    used of headlights
  3. verb
    make dim or lusterless
    “Time had dimmed the silver”
    see moresee less
    type of:
    darken
    make dark or darker
  4. verb
    become dim or lusterless
    “the lights dimmed and the curtain rose”
    see moresee less
    type of:
    change
    undergo a change; become different in essence; losing one's or its original nature
  5. verb
    switch (a car's headlights) from a higher to a lower beam
    synonyms: dip
    see moresee less
    type of:
    change intensity
    increase or decrease in intensity
  6. adjective
    lacking clarity or distinctness
    “a dim figure in the distance”
    synonyms: faint, shadowy, vague, wispy
    indistinct
    not clearly defined or easy to perceive or understand
  7. verb
    become vague or indistinct
    synonyms: blur, slur
    see moresee less
    types:
    efface, obliterate
    remove completely from recognition or memory
    type of:
    weaken
    become weaker
  8. verb
    make dim by comparison or conceal
    synonyms: blind
    see moresee less
    type of:
    darken
    make dark or darker
  9. adjective
    offering little or no hope
    “took a dim view of things”
    synonyms: bleak
    hopeless
    without hope because there seems to be no possibility of comfort or success
  10. adjective
    slow to learn or understand; lacking intellectual acuity
    “never met anyone quite so dim
    synonyms: dense, dull, dumb, obtuse, slow
    stupid
    lacking or marked by lack of intellectual acuity
Pronunciation
US
/dɪm/
UK
/dɪm/
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DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘dim'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
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