Unfathomable Definition
ŭn-făthə-mə-bəl
adjective
Not fathomable.
Webster's New World
Difficult or impossible to understand; incomprehensible.
Unfathomable theories.
American Heritage
Difficult or impossible to measure.
The unfathomable depths.
American Heritage
Synonyms:
Origin of Unfathomable
-
un- +"Ž fathomable
From Wiktionary
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