/ Dictionary / Index C consternate: Meaning and Definition of Find definitions for: con•ster•nate Pronunciation: (kon'stur-nāt"), [key] — -nat•ed, -nat•ing. to dismay, confuse, or terrify. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: consternate (Thesaurus) conster consternation Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language