horizontal
Proposed by a contributor, not yet supported by evidence.
Also seen as: horizontals
Sense 1
Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.
Adjective
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Relating to horizontal markets
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
A horizontal component of a structure.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
Horizon.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “horizontal” mean?
Perpendicular to the vertical; parallel to the plane of the horizon; level, flat.
Is “horizontal” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.