/ Dictionary / Index I indeterminacy: Meaning and Definition of Find definitions for: in•de•ter•mi•na•cy Pronunciation: (in"di-tûr'mu-nu-sē), [key] — n. the condition or quality of being indeterminate; indetermination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indeterminacy (Thesaurus) indeterminable indeterminacy principle Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language