at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height" Synonyms: perpendicular,
upright in position or posture; "an erect stature"; "erect flower stalks"; "for a dog, an erect tail indicates aggression"; "a column still vertical amid the ruins"; "he sat bolt upright" Synonyms: erect, upright,
relating to or involving all stages of a business from production to distribution
of or relating to different levels in a hierarchy (as levels of social class or income group); "vertical social mobility"
a vertical structural member as a post or stake; "the ball sailed between the uprights" Synonyms: upright,