Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
ROGET THESAURUS

WORDNET DICTIONARY

Noun erectness has 2 senses

• erectness(n = noun.attribute) uprightness - the property of being upright in posture; Array
is a kind of stance
Derived form adjective erect₁

• erectness(n = noun.attribute) uprightness, verticality, verticalness - position at right angles to the horizon; Array
is a kind of position, spatial relation
Derived form adjective erect₁

CIDE DICTIONARY

ROGET THESAURUS

erectness

Verticality

N verticality, erectness, perpendicularity, right angle, normal, azimuth circle, wall, precipice, cliff, elevation, erection, square, plumb line, plummet, vertical, upright, erect, perpendicular, plumb, normal, straight, bolt, upright, rampant, standing up, rectangular, orthogonal, vertically, up, on end, up on end, right on end, a plomb, endwise, one one's legs, at right angles.

For further exploring for "erectness" in Webster Dictionary Online