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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in wise

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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

Synonyms & Similar Words

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

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to curve

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

Synonyms & Similar Words

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

Don’t let the simple style fool you, though, because the ultra-soft foam insoles provide solid arch support. —

Caitlyn Fitzpatrick, PEOPLE, 9 June 2026 Preliminary surveys and testing of the arch site began last month, and other approvals are underway. —

Arkansas Online, 7 June 2026

Noun

The arch would have an exterior made of granite. —

Arkansas Online, 7 June 2026 Other highlights include Julie Mehretu’s soaring window installation on the tower’s north side; Mark Bradford’s three-story painting in the lobby atrium; and Martin Puryear’s giant arch in the plaza. —

Sam Cochran, Architectural Digest, 4 June 2026

Verb

Smith arches over the patient, his body an umbrella to protect the wound. —

Kansas City Star, 22 May 2026 Her eyebrows were arched and defined, with brown eyeshadow beaten softly into her eye and lashes feathered out. —

Anna Cafolla, Vogue, 22 May 2026 See All Example Sentences for arch

Recent Examples of Synonyms for arch

Adjective

Patrick was addressing attendees of the Republican Party of Texas’ state convention in Houston from the event’s main stage.

— Eleanor Dearman, Fort Worth Star-Telegram, 13 June 2026
Reuters — Hungary’s main opposition Fidesz party re-elected former Prime Minister Viktor Orbán as its leader on Saturday for another year despite the party’s loss of power in an ‌April 12 election to the center-right Tisza party.

— CNN Money, CNN Money, 13 June 2026