self-destructs Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to destroy itself automatically example: a missile designed to do this to greatly harm oneself or itself; specif. as the result of inherent or fundamental flaws Example Sentence The machine self-destructs if tampered with. Synonyms self-destroy; destroy; destruct Antonyms repair Hear It! Say It! Write It! self-destructs Switch to cursive Start Share with your friends: