mans best friend (noun) dog: canine mammal
Sinonime: abysmal, abyssal,
below,
beneath, bottomless,
broad, buried, deep-seated,
distant, downreaching,
far, fathomless,
immersed, inmost, low,
profound,
rooted, subaqueous, submarine, submerged, subterranean, sunk,
underground,
unfathomable,
wide, yawning
Antonime: shallow