Definition

1. Adjective:

   • Lacking brightness or clarity; not bright or distinct: Describes light that is weak or an image, sound, or memory that is not clear or sharp.
   • Not clearly perceived or understood; vague: Describes ideas, recollections, or prospects that are unclear or unpromising.
   • (Informal) Slow to understand; not intelligent: Describes a person who is perceived as unintelligent or obtuse.

2. Verb:

   • To make or become less bright or distinct: The act of reducing the intensity of light or the clarity of something.
   • To make or become less vivid, strong, or clear: The act of causing something to fade or lose its sharpness over time.

Usage and Examples

• Adjective:

  • The room was lit only by the dim glow of a candle. (Describing faint light)
  • He had only a dim memory of the event from his childhood. (Describing an unclear recollection)
  • The economic outlook for the region is dim. (Describing unpromising prospects)
  • (Informal) The teacher thought the student was a bit dim. (Describing a person as slow to understand)

• Verb:

  • Please dim the lights for the presentation. (To make lights less bright)
  • The stars dimmed as the sun began to rise. (To become less bright)
  • Over the years, the pain of the loss dimmed. (To become less intense or vivid)

Advanced Usage

• "to take a dim view of (something)": To disapprove of or regard something unfavorably.

  • The principal takes a dim view of students using phones in class.

• "dim and distant": Used to describe a time in the past that seems very long ago and unclear.

  • I have only dim and distant memories of my great-grandfather.

Variants and Related Words

• Dimly (adverb): In a dim manner; faintly or vaguely.
  • The path was dimly lit.
• Dimness (noun): The state or quality of being dim.
  • The dimness of the room made it hard to read.

Synonyms

• Adjective: Faint, vague, gloomy, dull, subdued, weak, indistinct, obscure.
• Verb: Fade, dull, obscure, darken, cloud.

Antonyms

• Adjective: Bright, brilliant, clear, distinct, sharp, intelligent.
• Verb: Brighten, illuminate, intensify, clarify.

Phrasal Verbs / Related Verb Uses

• Dim down: To reduce the brightness of lights.
  • Could you dim down the overhead lights a little?
• Dim out: To extinguish or obscure lights, especially as a blackout measure.
  • During the war, cities had to dim out all windows at night.

Adjective

1. slow to learn or understand; lacking intellectual acuity
   • so dense he never understands anything I say to him
   • never met anyone quite so dim
   • although dull at classical learning, at mathematics he was uncommonly quick- Thackeray
   • dumb officials make some really dumb decisions
   • he was either normally stupid or being deliberately obtuse
   • worked with the slow students
2. offering little or no hope
   • the future looked black
   • prospects were bleak
   • Life in the Aran Islands has always been bleak and difficult- J.M.Synge
   • took a dim view of things
3. made dim or less bright
   • the dimmed houselights brought a hush of anticipation
   • dimmed headlights
   • we like dimmed lights when we have dinner
4. lacking clarity or distinctness
   • a dim figure in the distance
   • only a faint recollection
   • shadowy figures in the gloom
   • saw a vague outline of a building through the fog
   • a few wispy memories of childhood
5. lacking in light; not bright or harsh
   • a dim light beside the bed
   • subdued lights and soft music

Verb

1. become vague or indistinct
   • The distinction between the two theories blurred
2. make dim by comparison or conceal
3. make dim or lusterless
   • Time had dimmed the silver
4. become dim or lusterless
   • the lights dimmed and the curtain rose
5. switch (a car's headlights) from a higher to a lower beam