/ Dictionary / Index I ice-up: Meaning and Definition of Find definitions for: ice-up Pronunciation: (īs'up"), [key] — n. freeze (def. 37). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ice-up (Thesaurus) ice tongue ice water Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language