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

That means the Bombers own a three-game lead over Boston for the American League’s top Wild Card spot with the arch rivals set to play three more games this weekend. — Gary Phillips, New York Daily News, 29 Aug. 2026

The resulting technology allowed the project to move beyond an industry limit long associated with concrete arch bridges. — Sujita Sinha, Interesting Engineering, 28 Aug. 2026

Noun

Cook, the chairman, had been yearning for an arch in Washington for decades. — Antonia Hitchens, New Yorker, 4 Sep. 2026

These supportive sandals feature an arch-supporting footbed, deep heel cup, and a toe loop strap for a more secure fit. — Caroline Hughes, Travel + Leisure, 4 Sep. 2026

Verb

Keeping your thighs aligned, bend one knee and bring your heel toward your buttocks without arching your back. — Rikkilynn Shields Hannigan, HEALTH, 13 Aug. 2026

The ceilings were arched and line with skylights, allowing natural light to illuminate the space. — Desiree Mathurin, Charlotte Observer, 12 Aug. 2026

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