Main entry: perpendicular
Definition: intersecting at or forming right angles
Usage: the axes are perpendicular to each other
Antonyms: parallel
Definition: being everywhere equidistant and not intersecting
Antonyms: oblique
Definition: slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled
Antonyms: wrong, wrongfulness
Definition: that which is contrary to the principles of justice or law
Antonyms: left
Definition: location near or direction toward the left side; i.e. the side to the north when a person or object faces east
Antonyms: wrong
Definition: treat unjustly; do wrong to
Definition: not correct; not in conformity with fact or truth
Antonyms: wrong
Definition: based on or acting or judging in error
Antonyms: left
Definition: of or belonging to the political or intellectual left
Antonyms: center
Definition: of or belonging to neither the right nor the left politically or intellectually
Antonyms: left
Definition: being or located on or directed toward the side of the body to the west when facing north
Antonyms: wrong
Definition: contrary to conscience or morality or law
Antonyms: incorrectly, wrong, wrongly
Definition: in an inaccurate manner
Antonyms: left
Definition: toward or on the left; also used figuratively
Definition: not normal; not typical or usual or regular or conforming to a norm
Antonyms: abnormal
Definition: departing from the normal in e.g. intelligence and development
Antonyms: paranormal
Definition: not in accordance with scientific laws
Main entry: perpendicular, vertical
Definition: at right angles to the plane of the horizon or a base line
Usage: a vertical camera angle; the monument consists of two vertical pillars supporting a horizontal slab; measure the perpendicular height
Antonyms: horizontal
Definition: parallel to or in the plane of the horizon or a base line
Antonyms: inclined
Definition: at an angle to the horizontal or vertical position
Main entry: perpendicular
Definition: extremely steep
Usage: the great perpendicular face of the cliff
Antonyms: gradual
Definition: (of a topographical gradient) not steep or abrupt