/ Dictionary / Index P prefab: Meaning and Definition of Find definitions for: pre•fab Pronunciation: (adj., n.prē'fab"v.prē&sylpfab'), [key] — adj., n., v., -fabbed, -fab•bing. —adj. prefabricated. —n. something that is prefabricated, as a building or fixture: You would never know that such an attractive house is a prefab. —v.t. to prefabricate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prefab (Thesaurus) pref. prefabricate Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language