adj. 25B6; adjective
the dim light : FAINT, weak, feeble, soft, pale, dull, subdued, muted, wishy-washy.
long dim corridors : DARK, badly lit, ill-lit, dingy, dismal, gloomy, murky; poetic/literary tenebrous.
a dim figure : INDISTINCT, ill-defined, unclear, vague, shadowy, nebulous, obscured, blurred, blurry, fuzzy.
dim memories : VAGUE, imprecise, imperfect, unclear, indistinct, sketchy, hazy, blurred, shadowy.
(informal) I'm awfully dim. : See stupid sense 1.
their prospects for the future looked dim : GLOOMY, unpromising, unfavourable, discouraging, disheartening, depressing, dispiriting, hopeless.
bright, distinct, encouraging.
25B6; verb
the lights were dimmed : TURN DOWN, lower, dip, soften, subdue, mute; poetic/literary bedim.
my memories have not dimmed with time : FADE, become vague, dwindle, blur.
the fighting dimmed hopes of peace : DIMINISH, reduce, lessen, weaken, undermine.
brighten, sharpen, intensify.