
1) Abyss 2) An abyss 3) Bottomless gulf 4) Bottomless pit 5) Chasm 6) Deep cavity 7) Deep cavity, poetically 8) Deep gorge 9) Deep gulf 10) Deep-bottomed pit 11) Deep, dark pit 12) Dizzingly deep pit 13) Immeasurable cavity 14) Immeasurable void 15) Profundity 16) Really big cavity 17) Unfathomable crevasse
Found on
https://www.crosswordclues.com/clue/abysm

• (n.) An abyss; a gulf.
Found on
http://thinkexist.com/dictionary/meaning/abysm/
A·bysm' noun [ Old French
abisme ; French
abime , Late Latin
abyssimus , a superl. of Latin
abyssus ; Greek .... See
Abyss .] An abyss; a gulf. 'The
abysm of hell.'
Shak. Found on
http://www.encyclo.co.uk/webster/A/11

abysm 1. Without a bottom; bottomless (no bottom). 2. Anything too deep for measurement. 3. An immeasurably profound depth or void; 'a bottomless pit'.
Found on
http://www.wordinfo.info/words/index/info/view_unit/4/
No exact match found.