fathomless
adjective
[ ˈfað(ə)mləs ]
• unable to be measured or understood; extremely deep.
• "staring into a pair of cold, fathomless grey eyes"
Similar:
enigmatic,
mysterious,
impenetrable,
incomprehensible,
unfathomable,
opaque,
profound,
deep,
bottomless,
unfathomed,
unsounded,
immeasurable,
endless,
infinite,
measureless,
very deep,
unplumbed,
yawning,
cavernous,
gaping,
abysmal,
chasmic,
