Webster’s Revised Unabridged Dictionary · 1913
Dirty
Dirt′y (dẽr′ty̆), a. [Compar. Dirtier; superl. Dirtiest.] 1. Defiled with dirt; foul; nasty; filthy; not clean or pure; serving to defile; as, dirty hands; dirty water; a dirty white. Spenser.
2. Sullied; clouded; — applied to color. Locke.
3. Sordid; base; groveling; as, a dirty fellow.
The creature's at his dirty work again. Pope.
4. Sleety; gusty; stormy; as, dirty weather.
Storms of wind, clouds of dust, an angry, dirty sea. M. Arnold.
Syn. — Nasty; filthy; foul. See Nasty.
Dirt′y, v. t. [imp. & p. p. Dirtied; p. pr. & vb. n. Dirtying.] 1. To foul; to make filthy; to soil; as, to dirty the clothes or hands.
2. To tarnish; to sully; to scandalize; — said of reputation, character, etc.