/ Dictionary / Index U untenable: Meaning and Definition of Find definitions for: un•ten•a•ble Pronunciation: (un-ten'u-bul), [key] — adj. incapable of being defended, as an argument, thesis, etc.; indefensible. not fit to be occupied, as an apartment, house, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: untenable (Thesaurus) unteach untenured Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language