on time Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. arriving or happening at the scheduled time. Example Sentence They were always on time. OR She always arrives on time. Spelled as two words More Example Sentences She likes to be on time for school. Synonyms punctual; prompt Antonyms late; tardy Hear It! Say It! Write It! on time Switch to cursive Start Share with your friends: