Erect on the feet or end; in or into a vertical position; perpendicular to the ground or other… With verbs, as go, rise, sit, stand, walk.

Upright, in an upright posture; not bending forward or downward. Of straight lines and plane surfaces: Vertical. erect vision, the fact that we…

Set upright, or in a perpendicular position.

Of a human form, a back: Erect, not crooked or stooping.

having a tall and erect figure.

Of a posture or position: that is upright with the body supported by the feet.

(un-, prefix1 affix 4.)