2 definitions found From WordNet (r) 2.0 [wn]: abysm noun: a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively) [syn: {abyss}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Abysm \A*bysm"\, noun [OF. abisme; F. abime, LL. abyssimus, a superl. of L. abyssus; Gr. ?. See {Abyss}.] An abyss; a gulf. ''The abysm of hell.'' --Shak.

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