1
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
2
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
3
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
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
1
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
2
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
Example Sentences
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Recent Examples of arch
Arden Farhi, CBS News, 16 Apr. 2026
The initiative appeals primarily to Texas’ arch-conservative Republican base and boosts Speaker Burrows’ standing with that constituency, suggesting the primary motivation is political positioning rather than substantive policy development.
—Los Angeles Times, 8 Apr. 2026
Regan Stephens, Travel + Leisure, 24 Apr. 2026
Still, the International Atomic Energy Agency warned that the damage could significantly shorten the arch’s 100-year lifespan, upending its core safety function.
—ABC News, 24 Apr. 2026
Christa Sgobba, Health, 3 Apr. 2026
The front of the mouse arches down and spreads wide, suggesting the noggin of the snake it's named after.
—Zackery Cuevas, PC Magazine, 14 Mar. 2026
See All Example Sentences for arch
Adjective
Two golden lion statues would flank the arch structure as well.
—Arden Farhi, CBS News, 16 Apr. 2026
The initiative appeals primarily to Texas’ arch-conservative Republican base and boosts Speaker Burrows’ standing with that constituency, suggesting the primary motivation is political positioning rather than substantive policy development.
—Los Angeles Times, 8 Apr. 2026
Noun
The first, a series of elegant arches, was designed by architect Louis Kahn to softly illuminate the art with natural light while protecting it from the Texas sun.
—Regan Stephens, Travel + Leisure, 24 Apr. 2026
Still, the International Atomic Energy Agency warned that the damage could significantly shorten the arch’s 100-year lifespan, upending its core safety function.
—ABC News, 24 Apr. 2026
Verb
One of the most common mistakes, Williams said, is failing to properly brace the core, which can cause the lower back to arch and the spine to fall out of alignment.
—Christa Sgobba, Health, 3 Apr. 2026
The front of the mouse arches down and spreads wide, suggesting the noggin of the snake it's named after.
—Zackery Cuevas, PC Magazine, 14 Mar. 2026
See All Example Sentences for arch
Recent Examples of Synonyms for arch
Adjective
-
Three main risks should worry Congress, the courts and every American about the rapid rise of these markets.—
Editorial,
Boston Herald,
25 Apr. 2026
-
Surges can sometimes indicate an underlying wiring issue or a problem with your main breaker.—
Timothy Dale,
Better Homes & Gardens,
25 Apr. 2026
Adjective
-
Policymakers, especially here in Tokyo, would be wise to accept more foreign workers to plug labor gaps, but that’s not a durable answer on its own.—
Catherine Thorbecke,
Twin Cities,
25 Apr. 2026
-
Steinberg believes the fit will work out well football wise and business wise.—
Jackson Thompson,
FOXNews.com,
23 Apr. 2026
Adjective
-
This is a high-spirited opening for curious neighbors and travelers alike, with a mischievous sense of fun that firmly roots guests in their destination.—
Condé Nast,
Condé Nast Traveler,
23 Apr. 2026
-
Play wants safe boundaries as mischievous Mercury conjoins imaginative Neptune in your 5th House of Creativity.—
Tarot.com,
Hartford Courant,
16 Apr. 2026
Noun
-
The usually straight path of light gets curved along the warp, with the degree of curvature dictated by how close to the object of mass the light passes.—
Robert Lea,
Space.com,
14 Apr. 2026
-
To achieve such a high curvature, the team took advantage of differences in the contraction and expansion of individual layers caused by physical stresses in the material resulting from the fabrication process.—
IEEE Spectrum,
IEEE Spectrum,
9 Apr. 2026
Verb
-
Lengthening the turning basin, and widening the channel bend near the East Breakwater from 560 feet to 800 feet.—
Staff Report,
Hartford Courant,
25 Apr. 2026
-
But where limestone is crumbly and opaque, nacre’s toughness and light-bending properties come from silklike proteins that weave among the layers, holding them in place while providing enough elasticity to absorb the shock of a fracture.—
Caitlin Kennedy,
Scientific American,
25 Apr. 2026
Verb
-
All communal areas can be reached by curving but steep paths.—
Condé Nast,
Condé Nast Traveler,
23 Apr. 2026
-
Depending on the positioning of this wing, the robot can glide forward or curve back toward its starting point.—
Aman Tripathi,
Interesting Engineering,
23 Apr. 2026
Adjective
-
As the Moon moves through your 11th House of Friends, collaboration brings fresh direction.—
Tarot.com,
Baltimore Sun,
27 Apr. 2026
-
The Kansas City Chiefs, fresh off their first January at home in 11 years, were intent on rebuilding their defense.—
Zak Keefer,
New York Times,
27 Apr. 2026
Adjective
-
The 23-year-old is said to be wicked smart, like Purdy, the 49ers star who led San Francisco to a Super Bowl less than two years after going last in the 2022 draft out of Iowa Sate.—
Tom Krasovic,
San Diego Union-Tribune,
24 Apr. 2026
-
This wicked man is named Tobias Thornhill.—
Rebecca Alter,
Vulture,
14 Apr. 2026
Cite this Entry
“Arch.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/arch. Accessed 1 May. 2026.
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