/ Dictionary / Index F frictional: Meaning and Definition of Find definitions for: fric•tion•al Pronunciation: (frik'shu-nl), [key] — adj. of, pertaining to, or of the nature of friction. moved, worked, or produced by friction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: frictional (Thesaurus) friction friction clutch Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language