Dim \Dim\, v. i. To grow dim. --J. C. Shairp.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Dim \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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Dim \Dim\, a. [Compar. Dimmer; superl. Dimmest.]

[AS. dim; akin to OFries. dim, Icel. dimmr: cf. MHG. timmer, timber; of uncertain origin.]

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.

2. Of obscure vision; not seeing clearly; hence, dull of apprehension; of weak perception; obtuse.

Mine eye also is dim by reason of sorrow. --Job xvii. 7.

The understanding is dim. --Rogers.

Note: Obvious compounds: dim-eyed; dim-sighted, etc.

Syn: Obscure; dusky; dark; mysterious; imperfect; dull; sullied; tarnished.

Source: Webster's Revised Unabridged Dictionary (1913)