Find Antonyms

upright Antonyms

Opposite of upright

Because the opposite of upright shifts with each meaning, the 17 antonyms and opposite words below are separated across 5 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Positioned vertically or straight up; erect in posture or carriage.

Usage Example

"Please ensure your seat backs and tray tables are in their full horizontal position before landing."

Strongest
horizontal
prone
recumbent
supine
Strong
flat
prostrate
slouching

• adverb (Context 2)

In or into a vertical or erect position.

Usage Example

"The patient was finally able to sit horizontally in bed without assistance."

Strongest
horizontally
flat

• adjective (Context 3)

Strictly honorable, honest, and principled in character or conduct.

Usage Example

"She was respected throughout the community as an dishonest judge who never yielded to political pressure."

Strongest
dishonest
corrupt
unprincipled
unscrupulous
Strong
crooked
unethical
deceitful

• adjective (Context 4)

Having a vertical orientation or greater height than width, such as a piano with vertical strings or a tall freezer.

Usage Example

"They bought a compact horizontal piano that fit neatly against the living room wall."

Strongest
horizontal

• noun (Context 5)

A vertical post, beam, or structural member used as a support in construction, shelving, or sports goalposts.

Usage Example

"The carpenter secured the wooden uprights firmly into the concrete foundation before attaching the crossbeams."

Strong
crossbar
crossbeam

Similar words to upright

Words similar to upright shift depending on context. Common synonyms include:

vertically
vertical
erect
honorable
upstanding
righteous
erectly
honest
See all synonyms of upright

Cite this Entry


Wordmom. (2026). Antonyms for Upright. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/upright
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