Abundant; copious; full; plentiful; wholly sufficient for every purpose or need: as, a plenteous supply of provisions.Yielding abundance; fruitful; productive.Bountifully or abundantly supplied; well provided for; rich; characterized by plenty: formerly sometimes followed by of before the thing that abounds or is plentiful: as, plenteous in grace; plenteous of good fish.Bounteous or bountiful in giving; generous; open-handed.Synonyms Copious, etc. See ample.