Synonyms of arch

arch 1 of 3

adjective

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

• main
• highest
• primary
• greatest
• dominant
• predominant
• big
• foremost
• leading
• central
• first
• principal
• supreme
• key
• chief
• cardinal
• overriding
• sovereign
• prior
• capital
• overbearing
• grand
• master
• top
• paramount
• great
• primal
• number one
• premier
• overmastering
• major
• senior
• distinguished
• illustrious
• preeminent
• eminent
• outstanding
• signal
• superior
• numero uno
• high-level
• star
• notable
• stellar
• mighty
• important
• prestigious
• noble
• noteworthy
• influential
• momentous
• incomparable
• famous
• unparalleled
• significant
• famed
• unequaled
• celebrated
• matchless
• unsurpassed
• renowned

Antonyms & Near Antonyms

• last
• least
• slight
• minor
• trivial
• secondary
• unimportant
• negligible
• subordinate
• insignificant
• inferior
• collateral
• trifling
• inconsequential
• inconsiderable
• subsidiary

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

• wise
• fresh
• insolent
• brazen
• bold
• impudent
• cheeky
• cocky
• saucy
• sassy
• blunt
• brassy
• defiant
• cocksure
• audacious
• brash
• nervy
• impertinent
• cute
• assertive
• brazen-faced
• bold-faced
• obtrusive
• forward
• bluff
• brassbound
• unblushing
• disrespectful
• unabashed
• smart
• curt
• flip
• facetious
• shameless
• pert
• flippant
• smart-aleck
• mouthy
• lippy
• smart-alecky

Antonyms & Near Antonyms

• proper
• timid
• meek
• modest
• humble
• shy
• retiring
• polite
• courteous
• deferential
• genteel
• respectful
• gentle
• mild
• mousy
• demure
• ashamed
• embarrassed
• inconspicuous
• mannerly
• unobtrusive
• abashed
• blushing
• shamefaced

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

• mischievous
• wicked
• playful
• impish
• prankish
• roguish
• pixie
• elvish
• puckish
• waggish
• pixieish
• sly
• knavish
• rascally
• devilish
• scampish
• leprechaunish
• tricksy
• espiègle
• naughty
• happy
• antic
• whimsical
• coltish
• cunning
• sportive
• lively
• kittenish
• teasing
• coy
• sportful
• lighthearted
• frolicsome
• energetic
• gay
• sprightly
• frisky
• wily
• crafty
• spirited
• artful
• tricky
• trickish
• troublemaking
• riling
• misbehaving
• pestering

Antonyms & Near Antonyms

• grave
• stern
• solemn
• grim
• sober
• sedate
• staid

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

• curvature
• curve
• angle
• bend
• turn
• bow
• wind
• arc
• crook
• slope
• fold
• inflection
• curl
• corner
• twist
• loop
• coil
• ring
• winding
• spiral
• circle
• warp
• round
• flexure
• swirl
• buckle
• kink
• incline
• reflection
• curlicue
• convolution
• ringlet
• inclination
• hairpin
• turnoff
• incurvature
• dogleg
• decline

arch

3 of 3

verb

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

• bend
• curve
• hook
• bow
• curl
• crook
• twist
• arc
• wave
• round
• turn
• swerve
• loop
• slope
• swirl
• deflect
• veer
• coil
• spiral
• reflect
• kink
• weave
• divert
• twine
• wind
• inflect
• incline
• warp
• entwine
• dent
• incurve
• dimple
• incurvate
• meander
• enroll
• decline

Antonyms & Near Antonyms

• straighten
• unbend
• uncurl

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

• curve
• arc
• bow
• round
• sweep
• fall off
• wheel
• bend
• wind
• loop
• curl
• trend
• crook
• hook
• turn
• circle
• swerve
• spiral
• coil
• curlicue
• twist
• deviate
• veer

Antonyms & Near Antonyms

• straighten

Example Sentences

Recent Examples of arch

Adjective

Aetrex is a technology company that uses data and learnings to design and create footwear that is anatomically correct to support your body from the ground up, offering superior arch support and pain relief. — ABC News, 15 Aug. 2026

However, there are several pairs out there with comfortable arch support that can provide that sneaker-level quality without the bulk, like the Vionic Orinda Skimmers Flats. — Julia Morlino, Travel + Leisure, 15 Aug. 2026

Noun

With its more than 2,000 natural stone arches, this park is mostly known for the Windows Section and Delicate Arch. — Giovanna Caravetta, Travel + Leisure, 25 Aug. 2026

In the photo, Close was seen smiling next to Hamilton, 41, as the pair stood under an arch on set. — Escher Walcott, PEOPLE, 25 Aug. 2026

Verb

The ceiling arches in the back, hiding a tiny alcove where a couple sits tucked close, their legs tangled beneath the table. — Carly Tagen-Dye, PEOPLE, 12 Aug. 2026

Celestial events are among the oldest and most profound human experiences of the cosmos, inspiring stories as grand as the sky is wide to explain the marvelous spectacles that arch overhead. — Michael J. Caduto, Hartford Courant, 7 Aug. 2026

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