Definition of dirty

• superl. - Defiled with dirt; foul; nasty; filthy; not clean or pure; serving to defile; as, dirty hands; dirty water; a dirty white.
• superl. - Sullied; clouded; -- applied to color.
• superl. - Sordid; base; groveling; as, a dirty fellow.
• superl. - Sleety; gusty; stormy; as, dirty weather.
• v. t. - To foul; to make filthy; to soil; as, to dirty the clothes or hands.
• v. t. - To tarnish; to sully; to scandalize; -- said of reputation, character, etc.