ARCH Synonyms: 265 Similar and Opposite Words

arch 1 of 3

adjective

as in main

coming before all others in importance since the start of her acting career her parents have steadfastly remained her arch supporters

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Relevance

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as in wise

displaying or marked by rude boldness was so arch as to ask him outright if he was wearing a toupee

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as in mischievous

tending to or exhibiting reckless playfulness the arch look on the girl's face betrayed her as the one who had tricked the babysitter into believing that the house was haunted

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arch

2 of 3

noun

ˈärch

as in curvature

something that curves or is curved the limestone arch is a natural formation that is the product of many years of erosion

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arch

3 of 3

verb

as in to bend

to cause to turn away from a straight line the cat arched her back whenever she was stroked

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as in to curve

to turn away from a straight line or course the path gradually arches off into the woods

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Antonyms & Near Antonyms

straighten

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of arch

Adjective

Podiatrists praise Vivaia for its innovative cushioning, arch support, and breathable materials — all of which provide a comfortable fit for a variety of foot shapes. —

Claire West, PEOPLE, 16 June 2026 First up, try to find a contoured footbed with arch support and a heel cup. —

Brittany Vanderbill, Better Homes & Gardens, 14 June 2026

Noun

Trump's arch draws deluge of negative comments. —

Phillip M. Bailey, USA Today, 18 June 2026 Trump has not sought approval from Congress for the arch and has appeared to contradict his earlier promise that it would be entirely privately funded, with remaining donations coming from his similarly controversial White House ballroom project. —

Tessa Solomon, ARTnews.com, 17 June 2026

Verb

Quick hitters Quarterback Lamar Jackson delivered the play of the day by rolling to his right and firing a high-arching pass about 50 yards downfield that dropped in the hands of rookie wide receiver Elijah Sarratt, who was well covered by cornerback Marquise Robinson. —

Jeff Zrebiec, New York Times, 9 June 2026 And the floor at the top is gently arched, which is pretty cool. —

Robert Annis, Midwest Living, 31 May 2026 See All Example Sentences for arch

Recent Examples of Synonyms for arch

Adjective

The fact that every single main cast member is on the ballot suggests that HBO made sure all main cast members were submitted and then allowed recurring performers to submit themselves.

— Joe Reid, Vulture, 20 June 2026
However, that change requires the Green Mountain Care Board, the state's main healthcare regulator, to go through a rulemaking process, which would not be finalized by the start of the coming hospital fiscal year in October, delaying the pricing reform implementation.

— OLIVIA GIEGER VTDigger, Arkansas Online, 20 June 2026