dim (Verb) — Switch (a car's headlights) from a higher to a lower beam.
dim (Verb) — Become dim or lusterless. ex. "the lights dimmed and the curtain rose"
dim (Verb) — Make dim or lusterless. ex. "Time had dimmed the silver"
dim (Verb) — Make dim by comparison or conceal.
dim (Verb) — Become vague or indistinct. ex. "The distinction between the two theories dimmed"
dim (Adjective) — Lacking in light; not bright or harsh. ex. "a dim light beside the bed"
dim (Adjective) — Lacking clarity or distinctness. ex. "a dim figure in the distance"
dim (Adjective) — Made dim or less bright. ex. "the dim houselights brought a hush of anticipation"
dim (Adjective) — Offering little or no hope. ex. "took a dim view of things"
dim (Adjective) — Taking more than usual time to learn or understand; lacking intellectual acuity. ex. "never met anyone quite so dim"