vertical
ver-ti-cal
noun
A vertical line, plane, or direction, especially in geometry or design.
"Draw a vertical on the page."
adjective
At right angles to a horizontal plane or surface; standing upright.
"The pole stood perfectly vertical."
Thesaurus
Synonyms: hierarchal, hierarchical, hierarchic, erect, standing, straight, unbowed, statant, unbent, passant, erectile, semi-climbing
Antonyms: horizontal, inclined, unerect