dim

[1]	dip
[2]	obscure , dull , becloud
[3]	darken , blind , bedim , shroud , shade
[4]	blur , slur

adj.

[1]	obscure , obscured , vague , faint , weak , weakened , pale , imperceptible , fuzzy , indistinct , ill-defined , indiscernible , undefined , indistinguishable , foggy , clouded , cloudy , nebulous , blurred , blurry , unclear , dull , hazy , misty , dark , shadowy , murky , tenebrous , gloomy , sombre , dusky , crepuscular
[2]	stupid , obtuse , doltish , dull , dull-witted , foolish , slow-witted , dim-witted , dense , (Colloq) thick , dumb
[3]	subdued
[4]	faint , shadowy , vague , wispy
[5]	dimmed
[6]	black , bleak
[7]	dense , dull , dumb , obtuse , slow