Pronunciation (UK) IPA (key): /əˈbɪs/ (US) enPR: ə-bĭs', IPA (key): /əˈbɪs/ or /æˈbɪs/ Audio (US)(file) Hyphenation: a‧byss Noun Singular abyss Plural abysses (countable) An abyss is a very deep crack in the earth. Synonym: chasm Related words gorge ravine canyon fissure rift crevasse voidWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads