Synonyms of fathomless in English:

fathomless


See definition of fathomless

adjective

1‘her serene, fathomless eyes’

SYNONYMS
enigmatic, mysterious, impenetrable, incomprehensible, unfathomable, opaque, profound, deep

2‘a fathomless well’

SYNONYMS
bottomless, unfathomable, unfathomed, unsounded, immeasurable, endless, infinite, measureless
very deep, unplumbed, profound, yawning, cavernous, gaping
literary abysmal
rare chasmic
ANTONYMS

shallow