sec. Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition abbr. a unit of time equal to one sixtieth of a minute. Example Sentence Spell the abbreviation for second or secondary or secretary. sec. More Example Sentences The race lasted only a few sec. Synonyms second; time unit; interval Antonyms abbreviation for first Hear It! Say It! Write It! sec. Switch to cursive Start Share with your friends:
