/ Dictionary / Index F firsthand: Meaning and Definition of Find definitions for: first•hand Pronunciation: (fûrst'hand'), [key] — adv. from the first or original source: We heard the news of the accident firsthand from a witness. —adj. of or pertaining to the first or original source. direct from the original source: firsthand knowledge of the riot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: firsthand (Thesaurus) first-generation first-in, first-out 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