/ Dictionary / Index F free variable: Meaning and Definition of Find definitions for: free' var'iable Pronunciation: [key] — Logic. Logic. (in functional calculus) a variable occurring in a sentential function and not within the scope of any quantifier containing it. Cf. bound variable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. free university free variation Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language