/ Dictionary / Index S swearing-in: Meaning and Definition of Find definitions for: swear•ing-in Pronunciation: (swâr'ing-in'), [key] — n. an official ceremony where a person takes an oath of office, allegiance, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: swearing-in (Thesaurus) swear swearword Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language