Definition of "Unfathomable" :
adjective: incapable of being fully understood
adjective: resembling an abyss in depth; so deep as to be unmeasurable
adjective: of depth; not capable of being sounded or measured
adjective: incapable of being fully understood
adjective: resembling an abyss in depth; so deep as to be unmeasurable
adjective: of depth; not capable of being sounded or measured