Devise is a word that refers to the act of creating, inventing, or planning something. The antonyms for the word "devise" include words like destroy, dismantle, demolish, ruin, and wreck. While "devise" implies building and creating something new, antonyms like "destroy" and "demolish" indicate tearing down structures or breaking something that has already been established. "Ruin" and "wreck" pertain to damaging something in a way that renders it completely unusable or irreparable. Opposite words like these help us understand the meaning of "devise" by highlighting what it is not.