bygones Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. things that happened in the past. Example Sentence Why don't you just apologize and let bygones be bygones? More Example Sentences They moved on from their bygones. Synonyms past events; history; former things Antonyms modern; new; recent Hear It! Say It! Write It! bygones Switch to cursive Start Share with your friends: