Dĭm1, a.
a. [compar. DIMMER; superl. DIMMEST.] [A-S. & O. Fries. dim, Icel. dimmr, O. Sax. thimm, allied to Skr. tamas, Lith. tamsa, darkness, tamsus, dark, Russ. temny, Ir. tem; Icel. dimma, to grow dark.]
Sense 1. Not bright or distinct; wanting brilliancy, luminousness, or clearness; of obscure luster or sound; dusky; darkish; obscure; mysterious. “The dim magnificence of poetry.” Whewell.
How is the gold become dim? Lam. iv. 1.
I never saw The heavens so dim by day. Shak.
Sense 2. Of obscure vision; not seeing clearly; hence, dull of apprehension; of weak perception; obtuse.
His eyes are waxing dim. Tennyson.
Synonyms—Obscure; dusky; dark; mysterious; imperfect; dull; sullied; tarnished.