immobilizes Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. makes something unable to move. Example Sentence The snake venom quickly immobilizes its prey. More Example Sentences He immobilizes the toy car for safety. Synonyms stops; stills; halts Antonyms mobilizes; moves; activates Hear It! Say It! Write It! immobilizes Switch to cursive Start Share with your friends: