loosened Get Printable Handwriting (loos-ened) 2 syllables Rhymes Learn It! Spelling Test Definition verb. to undo or release; to make loose; relax Example Sentence He loosened the latch on the cage. Synonyms release; undo; unfasten Antonyms tighten; fasten Rhymes Two Syllable Rhymes (1) loosened Share with your friends: