horizontal

C2+ Topic:Space, Position & Direction

US /ˌhɔrəˈzɑntəl/ UK /ˌhɒrɪˈzɒntəl/ See IPA manual

adj noun

Meanings

1

adj
parallel to the horizon; level and flat

He drew a horizontal line to mark the water's surface.

Thesaurus

Synonyms

1 adj · parallel to the horizon;... level flat plane even prone recumbent

Opposites

vertical upright perpendicular

Word family

Derived forms horizontallyhorizontality

Related forms horizon

Etymology

From French horizontal, from horizon, from Latin horizon, from Ancient Greek horízōn (kýklos) ('bounding circle'), from horízein ('to bound, divide'), from hóros ('boundary').

horízōn Ancient Greek hóros Ancient Greek

View etymology graph ->

Topics

Space, Position & Direction Word Formation & Derivatives

# horizontal

**Type:** Word
**Level:** C2+
**Part of speech:** adj, noun
**IPA (US):** ˌhɔrəˈzɑntəl
**IPA (UK):** ˌhɒrɪˈzɒntəl

## Meanings
1. parallel to the horizon; level and flat

## Examples
- He drew a horizontal line to mark the water's surface.

## Synonyms
- level
- flat
- plane
- even
- prone
- recumbent

## Antonyms
- vertical
- upright
- perpendicular

## Derived Forms
- horizontally
- horizontality

## Related Forms
- horizon

## Roots and Affixes
- Root: horízōn
- Root: hóros

## Etymology
From French horizontal, from horizon, from Latin horizon, from Ancient Greek horízōn (kýklos) ('bounding circle'), from horízein ('to bound, divide'), from hóros ('boundary').

## AI Etymology
Horizontal comes from French horizontal, from horizon, from Latin horizon, from Ancient Greek horízōn (kýklos) ('bounding circle'), from horízein ('to bound, divide'), from hóros ('boundary'). The etymological trail includes Ancient Greek horízōn and Ancient Greek hóros. As an adjective, horizontal describes what is parallel to the horizon; level and flat. The same family is visible in derived forms such as horizontally and horizontality and related forms such as horizon.

## Topics
- Space, Position & Direction
- Word Formation & Derivatives

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