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Showing results for unfathomable. Search instead for un-fathomable.
Definitions

unfathomable

[uhn-fath-uh-muh-buhl] / ʌnˈfæð ə mə bəl /
ADJECTIVE
bottomless
Synonyms
STRONGEST
boundless immeasurable infinite
WEAK
abysmal deep eternal soundless unending unmeasured unplumbed
Antonyms
STRONGEST
bounded calculable finite limited measurable
WEAK
believable comprehensible explainable explicable fathomable
ADJECTIVE
hard to believe; difficult to understand
Synonyms
STRONGEST
baffling impenetrable incomprehensible indecipherable inexplicable unknowable
WEAK
abstruse clear as mud deep enigmatic esoteric heavy incognizable obscure profound too deep uncomprehensible ungraspable unintelligible
Antonyms
STRONGEST
clear comprehensible intelligible understandable
WEAK
believable explainable explicable fathomable

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.