1.lacking in light; not bright or harsh;
a dim light beside the bed
2.lacking clarity or distinctness;
a dim figure in the distance
3.made dim or less bright;
the dimmed houselights brought a hush of anticipation
4.offering little or no hope;
the future looked black
5.slow to learn or understand; lacking intellectual acuity;
so dense he never understands anything I say to him
1.switch (a car's headlights) from a higher to a lower beam
2.become or make darker;
The screen darkend
3.become dim or lusterless;
the lights dimmed and the curtain rose
4.make dim or lusterless;
Time had dimmed the silver
5.make dim by comparison or conceal
6.become vague or indistinct;
The distinction between the two theories blurred