overthink Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to think about something too much or for too long. Example Sentence She tends to overthink every decision she makes. More Example Sentences He tried not to overthink the situation. Synonyms ponder; contemplate; mull Antonyms ignore; dismiss; overlook Hear It! Say It! Write It! overthink Switch to cursive Start Share with your friends: