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
• assertive
• cute
• brazen-faced
• bold-faced
• obtrusive
• forward
• bluff
• brassbound
• unblushing
• smart
• disrespectful
• curt
• unabashed
• 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
• pixie
• roguish
• elvish
• puckish
• waggish
• pixieish
• sly
• knavish
• rascally
• devilish
• scampish
• leprechaunish
• tricksy
• naughty
• espiègle
• happy
• antic
• cunning
• whimsical
• coltish
• sportive
• lively
• kittenish
• teasing
• sportful
• coy
• energetic
• lighthearted
• frolicsome
• 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

The commission also recommended, as an alternative, shortening the arch itself while making the gilded statue even taller—a compromise that would leave the arch squat beneath a top-heavy sculpture. — Janay Kingsberry, The Atlantic, 19 July 2026

The event is hosted by arch local Aaron Pai and his entire family. — Corky Carroll, Oc Register, 18 July 2026

Noun

Slash-cut vents at the top of the fenders reduce pressure inside the arches and increase airflow through the radiators. — Tim Pitt, Robb Report, 22 July 2026

Insoles come in varieties made for high, neutral, or low arches. — Stacia Datskovska, Footwear News, 22 July 2026

Verb

When the rain cleared, a rainbow arched above the New York skyline. — Bryan West, USA Today, 4 July 2026

Pay Attention to Plant Form Plants come in a wide range of shapes, from arching to columnar to spreading. — Luke Miller, Better Homes & Gardens, 29 June 2026

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