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

Facial puffiness on waking happens because lymph flow slows overnight when the body is horizontal and still, letting fluid pool in the face. — Allison Palmer, Kansas City Star, 29 June 2026

Rows of horizontal blond wood panels line the walls in a nod to the board-and-batten siding that’s used on barns and sheds, with tall, narrow windows that can slide open to provide cross-ventilation. — Condé Nast, Condé Nast Traveler, 2 July 2026

Like Sudoku, the result should ensure that each vertical, horizontal, and diagonal row has a complete outfit consisting of a top, bottom, and layer. — Anna Popp, Travel + Leisure, 5 July 2026

Companies like Veeva in life sciences or Procore in construction operate differently from horizontal software. — Ben Topor, Forbes.com, 1 July 2026