Definitions of plenty:
- noun: a full supply
Example: "There was plenty of food for everyone"
- noun: (often followed by `of') a large number or amount or extent
Example: "It must have cost plenty"
- adverb: as much as necessary
Example: "`plenty' is nonstandard) I've had plenty, thanks"
- name: A surname (very rare: popularity rank in the U.S.: #37138)