instants Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. very short periods of time. Example Sentence The instructor resumed the lecture after several instants of silence. More Example Sentences He captured instants in his photographs. Synonyms moments; seconds; flashes Antonyms eternity; lifetime Hear It! Say It! Write It! instants Switch to cursive Start Share with your friends: