Word Study
abysm
CIDE DICTIONARY
abysm, n. [OF. abisme; F. abime, LL. abyssimus, a superl. of L. abyssus; Gr. . See Abyss.].
An abyss; a gulf. Shak. [1913 Webster]
ROGET THESAURUS
abysm
Interval
N interval, interspace, separation, break, gap, opening, hole, chasm, hiatus, caesura, interruption, interregnum, interstice, lacuna, cleft, mesh, crevice, chink, rime, creek, cranny, crack, chap, slit, fissure, scissure, rift, flaw, breach, rent, gash, cut, leak, dike, ha-ha, gorge, defile, ravine, canon, crevasse, abyss, abysm, gulf, inlet, frith, strait, gully, pass, furrow, abra, barranca, barranco, clove, gulch, notch, yawning gulf, hiatus maxime, hiatus valde deflendus, parenthesis, void, incompleteness, period, interim (time), with an interval, far between, breachy, rimose, rimulose, at intervals, longo intervallo.For further exploring for "abysm" in Webster Dictionary Online