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perpendicular

adjective

Definition of PERPENDICULAR

rising straight up <river rafters staring awestruck at the canyon's nearly perpendicular cliffs>

Synonyms perpendicular, plumb, raised, standing, stand-up, upright, upstanding, vertical

Related Words elevated, lifted, upended, upraised; semierect; freestanding, stand-alone

Near Antonyms prostrate, supine; diagonal, hanging, sagging, slant, slanted, slanting, slanty

Antonyms flat, recumbent

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