1. (n.)plenty a full or abundant supply or amount: There is plenty of time.
2. plenty the state or quality of being plentiful; abundance: resources in plenty.
3. plenty an abundance, as of goods or luxuries, or a time of such abundance: the years of plenty.
4. (adj.)plenty plentiful; abundant.
5. plenty more than sufficient; ample: This helping is plenty for me.
6. (adv.)plenty Informal. fully; quite: plenty good enough.
Etymology: (1175–1225; ME plente(th) < OF plente(d), plentet < L plēnitātem, acc. of plēnitās fullness. See plenum , -ity)
Definition of 'plenty'
Princeton's WordNet
1. (noun)plenty, plentifulness, plenteousness, plenitude, plentitude a fullsupply "there was plenty of food for everyone"
2. (adverb)batch, deal, flock, good deal, great deal, hatful, heap, lot, mass, mess, mickle, mint, mountain, muckle, passel, peck, pile, plenty, pot, quite a little, raft, sight, slew, spate, stack, tidy sum, wad (often followed by `of') a largenumber or amount or extent "a batch of letters"; "a deal of trouble"; "a lot of money"; "he made a mint on the stock market"; "see the rest of the winners in our huge passel of photos"; "it must have cost plenty"; "a slew of journalists"; "a wad of money"
3. (adverb)enough, plenty as much as necessary "Have I eaten enough?"; (`plenty' is nonstandard) "I've had plenty, thanks"