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

This fan favorite from Vivaia comes in to save the day and your bunions alike — flaunting a super-stretchy, custom-fit shaft plus upper, impressive arch support, and special honeycomb cushioning to mimic the sensation of walking on clouds. — Stacia Datskovska, Footwear News, 4 Sep. 2026

The administration now appears to have brushed aside its own previous displays of commitment to at least some legal requirements, such as providing 14 days’ notice in a legal filing before going ahead with the arch construction. — Devorah Lauter, ARTnews.com, 4 Sep. 2026

Noun

Trump also plans to build a triumphal arch near Arlington National Cemetery and is eyeing a golf course renovation along the Potomac River. — Matthew Daly, Arkansas Online, 17 Sep. 2026

The arch still needs final approval from the National Capital Planning Commission. — ABC News, 17 Sep. 2026

Verb

Video captured from the drone’s perspective and released on Facebook, shows the frustrated bobcat standing by a staircase, growling and arching its back at the hovering machine. — Mack Degeurin, Popular Science, 2 Sep. 2026

In the opposite direction, open the elbows wide, arching the back and lifting the chin to the sky. — Angelica Stabile, FOXNews.com, 21 Aug. 2026

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