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
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
Caroline Reid, Forbes.com, 2 Sep. 2025
The Barstool Sports founder attended University of Michigan, Ohio State's arch rival, and has since become a high-profile backer of the Wolverines' football team.
—Ryan Morik, FOXNews.com, 30 Aug. 2025
Jamie Carter, Space.com, 28 Aug. 2025
Hold for 30 seconds once your body is straight (with a slight arch in your back) and stable.
—Health Editorial Team, Health, 28 Aug. 2025
Kim Toscano, Southern Living, 24 Aug. 2025
These melamine cereal bowls feature a pretty floral detail inside and arched patterns around the exterior rim—a pretty balance of simple and chic.
—Stephanie Osmanski, Better Homes & Gardens, 21 Aug. 2025
See All Example Sentences for arch
Adjective
He is joined by an A List cast on Masters of the Universe including Morena Baccarin, Kristen Wiig, Idris Elba and Jared Leto who plays He-Man's arch-enemy Skeletor.
—Caroline Reid, Forbes.com, 2 Sep. 2025
The Barstool Sports founder attended University of Michigan, Ohio State's arch rival, and has since become a high-profile backer of the Wolverines' football team.
—Ryan Morik, FOXNews.com, 30 Aug. 2025
Noun
There are three cast sandstone arches — Kachina, Sipapu and Owachomo — the latter of which has the Milky Way streaming behind it in the summer.
—Jamie Carter, Space.com, 28 Aug. 2025
Hold for 30 seconds once your body is straight (with a slight arch in your back) and stable.
—Health Editorial Team, Health, 28 Aug. 2025
Verb
The branches arch as the plant ages.
—Kim Toscano, Southern Living, 24 Aug. 2025
These melamine cereal bowls feature a pretty floral detail inside and arched patterns around the exterior rim—a pretty balance of simple and chic.
—Stephanie Osmanski, Better Homes & Gardens, 21 Aug. 2025
See All Example Sentences for arch
Recent Examples of Synonyms for arch
Adjective
-
The Global Sumud Flotilla (GSF), which has organized dozens of boats to sail to Gaza carrying humanitarian aid, said that one of its main vessels was targeted in a drone strike just after midnight local time on Tuesday while docked near the Tunisian capital.—
Callum Sutherland,
Time,
10 Sep. 2025
-
Tribhuvan International Airport, the country's main international airport, was also shut down due to smoke in the area.—
Juliana Kim,
NPR,
10 Sep. 2025
Adjective
-
Documenting positive attributes such as community involvement, steady employment, family support, and other meaningful contributions is also a wise move.—
Virginia La Torre Jeker,
Forbes.com,
9 Sep. 2025
-
Only humans can weave meaning, create serendipity, and grow wiser through story.—
Big Think,
Big Think,
9 Sep. 2025
Adjective
-
Tengbjerg, a fifty-one-year-old former pro soccer player from Denmark, is fit and trim, with a mischievous, no-nonsense brusqueness not generally associated with massage therapists.—
Sarah Larson,
New Yorker,
8 Sep. 2025
-
Our Lady of Perpetual Fortitude is run by the virulent and mischievous Monsignor Jefferson Wicks (Josh Brolin).—
Esther Zuckerman,
Time,
8 Sep. 2025
Noun
-
The presence, distribution, and motion of matter and energy through spacetime determined the curvature and evolution of that spacetime fabric, and then the curvature of that spacetime fabric determined the future trajectories and fates of every particle that exists within that spacetime.—
Ethan Siegel,
Big Think,
9 Sep. 2025
-
Posture Changes Spine curvatures can make standing up straight difficult, causing lower right back pain.—
Brandi Jones,
Health,
6 Sep. 2025
Verb
-
Each was tested by pulling, bending, or snapping it to measure strength.—
Neetika Walter,
Interesting Engineering,
5 Sep. 2025
-
The sides and top of the car were damaged, and the car appeared to have crashed into a building where the road bends.—
Ross O'Keefe,
The Washington Examiner,
4 Sep. 2025
Verb
-
Along the Corniche—a sweeping waterfront promenade curving around the bay—traditional dhows drift past a shimmering skyline of minarets and sculptural skyscrapers.—
Lewis Nunn,
Forbes.com,
3 Sep. 2025
-
Here, miles away from the nearest public road, a small canyon carves into curving limestone.—
Eva Frederick,
Travel + Leisure,
2 Sep. 2025
Adjective
-
The 12-piece line, featuring colorful plates, cups, candleholders, and a show-stopping spiral vase, reimagines classic Swedish holiday traditions with a fresh, joyful edge.—
Elizabeth Fogarty,
Better Homes & Gardens,
9 Sep. 2025
-
Troost-Ekong Pushes Back Against Doubters Visionhaus/Getty Images Captain William Troost-Ekong drew on Nigeria’s history while insisting this is a fresh challenge.—
Sindiswa Mabunda,
Forbes.com,
9 Sep. 2025
Adjective
-
Both are wicked smart brainiacs on a tireless quest to do good in the world.—
Natasha Stoynoff,
PEOPLE,
7 Sep. 2025
-
As the mystery unravels from multiple POVs, Alex’s kooky aunt Gladys (Amy Madigan) is revealed as the orchestrator of the tragedy — her fiery orange hair, nimble fingers, ghostly face and wicked crimson smile a memorable image that haunts the narrative.—
Natalie Oganesyan,
Deadline,
4 Sep. 2025
Cite this Entry
“Arch.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/arch. Accessed 11 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share