deepness

1 distance measured from the top to the bottom of something the deepness of the well could not be determined by visual means Synonyms depth, dropRelated Words lowness; draft, soundingNear Antonyms shallowness; altitude, elevation, height, stature

2 the quality of being great in extent (as of insight) the deepness of his knowledge on the subject is truly impressive Synonyms depth, profoundness, profundityRelated Words discernment, perception, perceptiveness, perceptivity, percipience, sagacity, sapience, sense, sensibility, wisdom; braininess, brightness, brilliance, intellect, intelligence, judgment (or judgement), reason, sense, smartness, wit; acuity, acuteness, keenness, penetration, perspicacity, sensitivity, sharpnessNear Antonyms shallowness, superficiality; brainlessness, idiocy, imbecility, mindlessness, simpleness, stupidity, witlessness; illogic, irrationality, unreasonableness, unsoundness