/ Dictionary / Index N nip-up: Meaning and Definition of Find definitions for: nip-up Pronunciation: (nip'up"), [key] — n. a calisthenic routine or gymnastic move of springing to one's feet from a supine position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nippy NIRA Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language