abysmic

comparative more abysmic · superlative most abysmic

1. uncommonAbysmal; like an abyss.

   The spacial depths between the glittering threads of the web and the chef seemed abysmic and prodigious. He might have belonged to another realm.

   1946, Mervyn Peake, Titus Groan, London: Eyre & Spottiswoode, →OCLC

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   These books will fill, and well fill, certain stretches of life […] But in old or nervous or solemnest or dying hours, when one needs the impalpably soothing and vitalizing influences of abysmic Nature, or its affinities in literature or human society, and the soul resents the keenest mere intellection, they will not be sought for.

   1892, Walt Whitman, “Notes Left Over: Emerson's Books”, in Complete Prose Works