wonderbraEtymologyFrom the brand name Wonderbra, from wonder + bra.wonderbra means any padded enhancement brassiere. Lexicurio rates it Sui generis — a strength score of 95 out of 100.nounAny padded enhancement brassiere.A type of padded, underwired bra designed to enhance the wearer's cleavage.“The time has come, writes Germaine Greer, to burn our Wonderbras and slip into something more comfortable.”