unlocks Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to open or release something that is locked. Example Sentence The key unlocks the door. More Example Sentences He unlocks his phone with a passcode. Synonyms opens; releases; frees Antonyms locks; secures; fastens Hear It! Say It! Write It! unlocks Switch to cursive Start Share with your friends: