Synonyms of horizontal

horizontal

adjective

as in flat

parallel to the ground

She reclined the chair to a horizontal position.

The line on the graph was nearly horizontal, indicating little growth over the fiscal year.

Related Words

• flat
• smooth
• prone
• recumbent
• reclining
• level
• supine
• flush
• prostrate
• plane
• reposing
• even

Dissimilar Words

• vertical
• erect
• standing
• upright
• raised
• upstanding

Example Sentences

Recent Examples of horizontal

Running on both battery and solar power, its dual-lenses cover up to 360 degrees of horizontal panning and 70 degrees of vertical panning, meaning virtually nothing can get out of the frame. — Kelsey Fogarty, PC Magazine, 17 Sep. 2026

The quasi-patriotic palette got contemporary edge from faded lines running through the red and dark navy stripes, which shifted between vertical and horizontal directions. — Julia Teti, Footwear News, 11 Sep. 2026

Perennials, such as dandelions, field bindweed, ground ivy and thistles all survive the winter by storing energy reserves in deep taproots or horizontal rhizomes. — Manjot Kaur Sidhu, The Conversation, 10 Sep. 2026

Then, a simple signal near the cluster of traffic lights will show either a horizontal or vertical line. — Dale Denwalt, Oklahoman, 10 Sep. 2026