/ Dictionary / Index F finer: Meaning and Definition of Find definitions for: fin•er Pronunciation: (fī'nur), [key] — adj. Math. of or pertaining to a topology or a topological space whose open sets include all the open sets of a second specified topology on the space. Cf. coarser. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: finer (Thesaurus) fine print finery Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language