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

Perez first won the job in 2000 thanks to the audacious promise to take Portuguese star Luis Figo from arch-rivals Barcelona. —

Dermot Corrigan, New York Times, 24 May 2026 Hundreds of shoppers gave them a five-star rating, with many praising their helpful arch support. —

Jacquelyn McGilvray, PEOPLE, 23 May 2026

Noun

Our tester sat on beautiful silver throwback-style wheels which adorned its arches rather well. —

Peter Nelson, Robb Report, 27 May 2026 The president also wants to repaint the Eisenhower Executive Office Building beside the White House and build a 250-foot arch at the nearby Lincoln Memorial — the same monument where weigh-ins for the upcoming UFC fight are scheduled to take place, bout organizers say. —

Will Weissert, Los Angeles Times, 27 May 2026

Verb

Naegohyang equalized five minutes later when Choe Kum Ok headed in from a set piece, then grabbed the lead in the 67th after Kim Kyong Yong collected a high-arching clearance from a Suwon defender to nod home. —

ABC News, 20 May 2026 With gracefully arching foliage, daylilies add texture and movement to garden borders and pathways. —

Kim Toscano, Southern Living, 19 May 2026 See All Example Sentences for arch

Recent Examples of Synonyms for arch

Adjective

Dylan Redford, who serves as co-creator, director, editor, cinematographer, production sound mixer, main title editor and motion design director on the series, is the grandson of the late Robert Redford, the Oscar-winning actor and Sundance Film Festival founder who died last year at 89.

— Clayton Davis, Variety, 30 May 2026
Entergy New Orleans, the city’s main electric utility, has an accelerated grid-hardening plan that aims to replace existing utility poles with more fortified poles to withstand higher winds and selectively move some lines underground in high-risk areas.

— Sufan Jiang, Fortune, 30 May 2026