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 National Capital Planning Commission oversees construction on federal land in the city and began reviewing the arch plan in June. — ABC News, 9 July 2026

Zero compression would be the pressure a regular athletic sock provides, which isn’t constricting but may offer arch support and padding. — Bestreviews, Mercury News, 9 July 2026

Noun

These have a comfy arch-support sole that would come in handy for long days sightseeing on your next vacation. — Kaitlin Clapinski, InStyle, 13 July 2026

Lawsuits alleging there were design errors in the signature bridge arches caused 18 months of delay. — Jessica Lipscomb, Miami Herald, 10 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

Podcast

Get Word of the Day delivered to your inbox!