Definition of vertical
1 a
:perpendicular to the plane of the horizon or to a primary axis :upright
b (1)
:located at right angles to the plane of a supporting surface
(2)
:lying in the direction of an axis :lengthwise
2 a
:situated at the highest point :directly overhead or in the zenith
b
of an aerial photograph
:taken with the camera pointing straight down or nearly so
3 a
:relating to, involving, or integrating economic activity from basic production to point of sale
- a vertical monopoly
b
:of, relating to, or comprising persons of different status
- the vertical arrangement of society
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