Dictionary 1. (v. t.) To make or prove to be a bastard; to stigmatize as a bastard; to declare or decide legally to be illegitimate.2. (v. t.) To beget out of wedlock. Thesaurus adulterate brutalize contaminate corrupt cut debase debauch demoralize denaturalize denature deprave dilute doctor doctor up fortify lace pervert pollute spike tamper with vitiate warp water water down |