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perpendicular

per·pen·dic·u·lar

perpendicular

 
pronunciation:
puhr pn dIk y lr
parts of speech:
adjective, noun
features:
Word Parts
part of speech: adjective
definition 1: at or forming a right angle to or with an intersecting line or plane.
synonyms:
right, square
definition 2: at a right angle to a horizontal base; vertical or upright.
synonyms:
plumb, upright, vertical
antonyms:
horizontal
similar words:
erect, right, square, standing
definition 3: sloping sharply upward.
similar words:
abrupt, bluff, sheer, steep
 
part of speech: noun
definition 1: a perpendicular line or plane.
synonyms:
vertical
definition 2: a perpendicular position or direction; the vertical.
synonyms:
vertical
definition 3: an instrument used to mark the vertical from any point.
definition 4: a nearly vertical or very steep incline, as on a mountainside.
similar words:
bluff, incline
derivations: perpendicularly (adv.), perpendicularity (n.)
Word Parts
The word perpendicular contains the following part:
-ar1 Latin adjective-forming suffix that means of, pertaining to, or resembling
Show wordsHide wordsMore about this word part:
The suffix -ar1attaches to bound Latinate bases to form adjectives. Most adjectives ending in -ar1 combine with the suffix -ity to form nouns ending in -arity. -ar1 is a variant of -al2, -ial that for phonological reasons occurs with bases ending in 'l'.