/ Dictionary / Index P prelim: Meaning and Definition of Find definitions for: pre•lim Pronunciation: (prē'lim, pri-lim'), [key] — n. Informal. preliminary. prelim. Pronunciation: [key] preliminary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prelim (Thesaurus) prelibation preliminary Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language