Dim, v. t. [imp. & p. p.Dimmed (?); p. pr. & vb. n.Dimming.] 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.