1. Not bright or distinct; wanting luminousness or clearness; obscure in luster or sound; dusky; darkish; obscure; indistinct; overcast; tarnished. 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) Three sleepless nights i passed in sounding on, through words and things, a dim and perilous way. (Wordsworth)
Obvious compounds: dim-eyed; dim-sighted, etc.
1. To render dim, obscure, or dark; to make less bright or distinct; to take away the luster of; to darken; to dull; to obscure; to eclipse. A king among his courtiers, who dims all his attendants. (Dryden) Now set the sun, and twilight dimmed the ways. (Cowper)
2. To deprive of distinct vision; to hinder from seeing clearly, either by dazzling or clouding the eyes; to darken the senses or understanding of. Her starry eyes were dimmed with streaming tears. (c. Pitt)
Origin: Dimmed; Dimming.