Main entry: plumbable, fathomable, soundable
Definition: (of depth) capable of being sounded or measured for depth
Antonyms: unfathomable
Definition: of depth; not capable of being sounded or measured
Main entry: fathomable
Definition: (of meaning) capable of being penetrated or comprehended
Antonyms: incomprehensible, uncomprehensible
Definition: difficult to understand