BOUNTEOUS Meaning of BOUNTEOUS in English boun ‧ te ‧ ous /ˈbaʊntiəs/ BrE AmE adjective [ Date: 1300-1400 ; Language: Old French ; Origin: bontif 'kind' , from bonté ; ⇨ ↑ bounty ] very generous Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012