/ Dictionary / Index A abyss: Meaning and Definition of Find definitions for: a•byss Pronunciation: (u-bis'), [key] — n. a deep, immeasurable space, gulf, or cavity; vast chasm. anything profound, unfathomable, or infinite: the abyss of time. (in ancient cosmogony) the primal chaos before Creation. the infernal regions; hell. a subterranean ocean. Abyss. Pronunciation: [key] Abyssinia. Abyssinian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abyss (Thesaurus) abysmal abyssal Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language