perpendicular

definition: extremely steep
example: the great perpendicular face of the cliff
speech part: adjective
synonyms: sharp
definition: at right angles to the plane of the horizon or a base line
example:
speech part: adjective
synonyms: vertical
definition: intersecting at or forming right angles
example: the axes are perpendicular to each other
speech part: adjective
synonyms:
definition: an extremely steep face
example:
speech part: noun
synonyms:
definition: a cord from which a metal weight is suspended pointing directly to the earth's center of gravity
example:
speech part: noun
synonyms: plumb line
definition: a Gothic style in 14th and 15th century England
example:
speech part: noun
synonyms: perpendicular style
definition: a straight line at right angles to another line
example:
speech part: noun
synonyms:

How perpendicular is being used?