1. become plastic, as by having a plasticizer added • Syn: plasticize • Hypernyms: change • Verb Frames: - Something ----s 2. make plastic, as by the addition of a plasticizer - plasticized PVC • Syn: plasticize • Derivationally related forms: plasticiser, plasticizer (for: plasticize) • Hypernyms: change, alter, modify • Verb Frames: - Somebody ----s something