Definify.com

Webster 1913 Edition

Noun.

The state or quality of being deep, profound, mysterious, secretive, etc.; depth; profundity; – opposed to shallowness.

Because they had no

deepness

of earth.

Matt. xiii. 5.

Craft; insidiousness.

[R.]

J. Gregory.

Noun.

Depth; remoteness from the surface in a descending line; interior distance from the surface; profundity.

And forthwith they sprung up, because they had no deepness of earth. Matt. Xiii.

Craft; insidiousness.

deepness ‎(usually uncountable, plural deepnesses)