rue Get Printable Handwriting (Rue) 1 syllables Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to feel regret or sorrow over Example Sentence He is going to rue this day. Synonyms deplore; lament; mourn; regret; repent Antonyms happiness; joy Hear It! Say It! Write It! rue Switch to cursive Start Share with your friends: