buxom Play [ buhk-suhm ]adjective(of a woman) plump, with a full figure and large breasts.a buxom blonde SYNONYMS amplebig-bosomedbig-breastedbosomybustychestycurvaceouscurvyfull-bosomedfull-breastedfull-figuredJunoesqueof ample proportionsplumppneumaticroundedRubenesqueshapelythickvoluptuouswomanly