not fathomable; specif.,
- incapable of being measured: often used fig.: the unfathomable depths of his love
- that cannot be understood; incomprehensible
- Difficult or impossible to understand; incomprehensible: unfathomable theories.
- Difficult or impossible to measure: the unfathomable depths.
(comparative more unfathomable, superlative most unfathomable)
un- +"Ž fathomable