necessitates Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to make something necessary or unavoidable. Example Sentence This new situation necessitates a different approach to the problem. More Example Sentences A car accident necessitates help from others. Synonyms requires; demands; compels Antonyms allows; permits; frees Hear It! Say It! Write It! necessitates Switch to cursive Start Share with your friends: