/ Dictionary / Index A affined: Meaning and Definition of Find definitions for: af•fined Pronunciation: (u-fīnd'), [key] — adj. closely related or connected. bound; obligated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: affined (Thesaurus) affine affine geometry Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language