Definition of "dim" []

  • Lacking in brightness: a dim room. (adjective)
  • Emitting only a small amount of light; faint: a dim lightbulb. (adjective)
  • Lacking luster; dull and subdued. (adjective)
  • Faintly outlined; indistinct: a dim figure in the distance. (adjective)
  • Obscure to the mind or the senses: a dim recollection of the accident. (adjective)
  • Badly illuminated (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Not clearly seen; indistinct; faint (adjective)
  • Having weak or indistinct vision (adjective)
  • Lacking in understanding; mentally dull (adjective)
  • Not clear in the mind; obscure (adjective)
  • Lacking in brilliance, brightness, or lustre (adjective)
  • Tending to be unfavourable; gloomy or disapproving (esp in the phrase take a dim view) (adjective)
  • To become or cause to become dim (verb)
  • To cause to seem less bright, as by comparison (verb)
  • To switch (car headlights) from the main to the lower beam (verb) (c) HarperCollins Publishers Ltd 2016

Use "dim" in a sentence
  • "I finally got over to the archives at the Lowell Cultural Center and spent a few hours sitting in dim light trying to read 100 year old scribbles."
  • "Those numbers are light blue colored, they are nearly invisible to me in dim light."
  • "Night vision declines as well; therefore, trying to read labels in dim lighting may lead to errors."