Look up don't, doesn't, or didn't in wiktionary, the free dictionary. Define don't. Don't synonyms, don't pronunciation, don't translation, english dictionary definition of don't.

Nonstandard contraction of does not. A statement of what should not … Usage don't is the standard contraction for do not. Short form of do not: Short form of do not: Contraction of do not: Learn more.

Short form of do not: Contraction of do not: Learn more. Contraction of do not. See examples of don't used in a sentence.