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ultradeep

a. Very deep alt. Very deep

Usage examples of "ultradeep".

Too, the British have been trying out a new ultradeep TV drogue, which will go down deeper than a 'nef has been taken so far.

Pollock asserted that the rock formed in an ultradeep oceanic environment where extreme pressure metamorphosed a pre-existing rock, permitting some of the disparate metals to fuse.