/ Dictionary / Index D dad: Meaning and Definition of Find definitions for: dad Pronunciation: (dad), [key] — n. Informal. father. dad Pronunciation: (dad), [key] — interj. Informal. God (used in combination in mild oaths): dad-blamed; dad-gummed. dad Pronunciation: (dad), [key] — n. Scot. and North Eng. a solid blow or knock. a large slice, lump, or portion. dad Pronunciation: (däd), [key] — n. the 15th letter of the Arabic alphabet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dad (Thesaurus) -dactyly dada Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language