Thesaurus

perpendicular

adjective

Synonyms and Antonyms of perpendicular

  1. rising straight up river rafters staring awestruck at the canyon's nearly perpendicular cliffs Synonyms of perpendicular erect, plumb, raised, standing, stand-up, upright, upstanding, verticalWords Related to perpendicular elevated, lifted, upended, upraised; semierect; freestanding, stand-aloneNear Antonyms of perpendicular prostrate, supine; diagonal, hanging, sagging, slant, slanted, slanting, slantyAntonyms of perpendicular flat, recumbent

Synonym Discussion of perpendicular

vertical, perpendicular, plumb mean being at right angles to a base line. vertical suggests a line or direction rising straight upward toward a zenith.
    • the side of the cliff is almost vertical
perpendicular may stress the straightness of a line making a right angle with any other line, not necessarily a horizontal one.
    • the parallel bars are perpendicular to the support posts
plumb stresses an exact verticality determined (as with a plumb line) by earth's gravity.
    • make sure that the wall is plumb


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