Grade 5 threatened Get Printable Handwriting Rhymes Learn It! Spelling Test Definition verb. 1 present a danger to; 2 to be a menacing indication of something;adjective. likely in the near future to become endangered Example Sentence One owl threatened by the loss of habitat is the Burrowing Owl. Synonyms endanger; distress; trouble Antonyms save Rhymes Two Syllable Rhymes (1) threatened Share with your friends: