Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun perpendicular

4 senses of perpendicular

Sense 1
perpendicular -- (a straight line at right angles to another line)
       => straight line -- (a line traced by a point traveling in a constant direction; a line of zero curvature; "the shortest distance between two points is a straight line")

Sense 2
perpendicular, perpendicular style, English-Gothic, English-Gothic architecture -- (a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting)
       => Gothic, Gothic architecture -- (a style of architecture developed in northern France that spread throughout Europe between the 12th and 16th centuries; characterized by slender vertical piers and counterbalancing buttresses and by vaulting and pointed arches)

Sense 3
plumb line, perpendicular -- (a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point)
       => cord -- (a line made of twisted fibers or threads; "the bundle was tied with a cord")

Sense 4
perpendicular -- (an extremely steep face)
       => face -- (a vertical surface of a building or cliff)

Antonyms of adj perpendicular

3 senses of perpendicular

Sense 1
perpendicular (vs. oblique) (vs. parallel) -- (intersecting at or forming right angles; "the axes are perpendicular to each other")

oblique (vs. parallel) (vs. perpendicular) -- (slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled; "the oblique rays of the winter sun"; "acute and obtuse angles are oblique angles"; "the axis of an oblique cone is not perpendicular to its base")
        => bias -- (slanting diagonally across the grain of a fabric; "a bias fold")
        => catacorner, cata-cornered, catercorner, cater-cornered, catty-corner, catty-cornered, kitty-corner, kitty-cornered -- (slanted across a polygon on a diagonal line; "set off in a catty-corner direction across the vacant lot")
        => crabwise, sideways -- ((of movement) at an angle)
        => diagonal -- (connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face; "a diagonal line across the page")
        => nonparallel -- ((of e.g. lines or paths) not parallel; converging)
        => oblique-angled -- (having oblique angles)
parallel (vs. perpendicular) (vs. oblique) -- (being everywhere equidistant and not intersecting; "parallel lines never converge"; "concentric circles are parallel"; "dancers in two parallel rows")
        => antiparallel -- ((especially of vectors) parallel but oppositely directed; "antiparallel vectors")
        => collateral -- (situated or running side by side; "collateral ridges of mountains")
        => nonconvergent, nonintersecting -- ((of lines, planes, or surfaces) never meeting or crossing)

Sense 2
vertical (vs. inclined) (vs. horizontal), perpendicular -- (at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height")


Sense 3
perpendicular -- (extremely steep; "the great perpendicular face of the cliff")

INDIRECT (VIA steep) -> gradual -- ((of a topographical gradient) not steep or abrupt; "a gradual slope")

Similarity of adj perpendicular

3 senses of perpendicular

Sense 1
perpendicular (vs. oblique) (vs. parallel) -- (intersecting at or forming right angles; "the axes are perpendicular to each other")
       => normal -- (forming a right angle)
       => orthogonal, rectangular -- (having a set of mutually perpendicular axes; meeting at right angles; "wind and sea may displace the ship's center of gravity along three orthogonal axes"; "a rectangular Cartesian coordinate system")
       => right -- (having the axis perpendicular to the base; "a right angle")

Sense 2
vertical (vs. inclined) (vs. horizontal), perpendicular -- (at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height")
       => plumb -- (exactly vertical; "the tower of Pisa is far out of plumb")
       => upended -- (turned up on end)
       => upright, unsloped -- (in a vertical position; not sloping; "an upright post")
          Also See-> steep#1; straight#2

Sense 3
perpendicular -- (extremely steep; "the great perpendicular face of the cliff")
       => steep (vs. gradual) -- (having a sharp inclination; "the steep attic stairs"; "steep cliffs")