Meaning of VERTICAL in English

VERTICAL

n. Function: adjective

situated at right angles to the plane of the horizon or extending from that plane at such an angle FF1C; vertical walls FF1E;

Synonyms: perpendicular, plumb, straight-up

Related Words: erect, upright; steep, up-and-down

Contrasted Words: flat, plane

Antonyms: horizontal

Merriam Webster. Collegiate thesaurus English dictionary.      Английский энциклопедический толковый словарь тезауруса.