Synonyms of stealthy

stealthy

adjective

ˈstel-thē 

1

as in shady

given to acting in secret and to concealing one's intentions

cats are among the stealthiest of stalkers

Synonyms & Similar Words

• shady
• sneaky
• furtive
• sly
• shifty
• dark
• slippery
• cunning
• cheating
• clandestine
• sneaking
• secretive
• deceptive
• crooked
• slick
• treacherous
• close
• wily
• covert
• crafty
• artful
• devious
• foxy
• guileful
• dishonest
• lying
• deceitful
• insidious
• tricky
• deceiving
• underhanded
• duplicitous
• reticent
• untrustworthy
• underhand
• perfidious
• mendacious
• closemouthed
• serpentine
• trickish
• knavish
• untruthful
• dissembling
• two-faced
• double-dealing
• defrauding

Antonyms & Near Antonyms

• straightforward
• forthright
• direct
• open
• plain
• candid
• frank
• aboveboard
• plainspoken
• trustworthy
• honest
• truthful
• foursquare

2

as in clandestine

undertaken or done so as to escape being observed or known by others

constantly harassed the enemy with stealthy raids

Synonyms & Similar Words

• clandestine
• sneak
• covert
• undercover
• underground
• stealth
• private
• sneaking
• surreptitious
• sneaky
• furtive
• secret
• underhanded
• behind-the-scenes
• underhand
• hole-and-corner
• hush-hush
• undisclosed
• privy
• backstairs
• confidential
• hidden
• closed-door
• hugger-mugger
• off-the-books
• off-the-record
• restricted
• classified
• top secret
• subterranean
• concealed
• secreted
• back-channel
• unexposed
• unadvertised

Antonyms & Near Antonyms

• overt
• public
• open
• avowed
• straightforward
• acknowledged
• unrestricted
• obvious
• unclassified
• undisguised
• clear
• unconcealed
• plain
• evident
• manifest
• aboveboard
• patent

Synonym Chooser

How is the word stealthy distinct from other similar adjectives?

Some common synonyms of stealthy are clandestine, covert, furtive, secret, surreptitious, and underhanded. While all these words mean "done without attracting observation," stealthy suggests taking pains to avoid being seen or heard especially in some misdoing.

the stealthy step of a burglar

When is it sensible to use clandestine instead of stealthy?

The words clandestine and stealthy can be used in similar contexts, but clandestine implies secrecy usually for an evil, illicit, or unauthorized purpose and often emphasizes the fear of being discovered.

a clandestine meeting of conspirators

When might covert be a better fit than stealthy?

The meanings of covert and stealthy largely overlap; however, covert stresses the fact of not being open or declared.

covert intelligence operations

When could furtive be used to replace stealthy?

In some situations, the words furtive and stealthy are roughly equivalent. However, furtive implies a sly or cautious stealthiness.

lovers exchanging furtive glances

When can secret be used instead of stealthy?

Although the words secret and stealthy have much in common, secret implies concealment on any grounds for any motive.

met at a secret location

When is surreptitious a more appropriate choice than stealthy?

The synonyms surreptitious and stealthy are sometimes interchangeable, but surreptitious applies to action or behavior done secretly often with skillful avoidance of detection and in violation of custom, law, or authority.

the surreptitious stockpiling of weapons

When would underhanded be a good substitute for stealthy?

The words underhanded and stealthy are synonyms, but do differ in nuance. Specifically, underhanded stresses fraud or deception.

an underhanded trick

Example Sentences

Recent Examples of stealthy

Of course, like everything else in the defense realm, this advantage has resulted in an arms race waged over a century as navies come up with better ways to detect submarines while making their boats stealthier. —New Atlas, 26 Apr. 2025

Some aimed for household names; others stayed stealthy. —Phil De Luna, Forbes.com, 17 Apr. 2025

Leveraging Tools That Detect Abnormal Identity Behavior Despite excellent policies, organizations are still vulnerable to stealthy tactics without the right tech. —Galit Lubetzky, Forbes.com, 14 Apr. 2025

This was not the first time the U.S. Navy has sent a stealthy Zumwalt-class vessel to the west of the International Date Line. —Thomas G. Moukawsher, MSNBC Newsweek, 14 Apr. 2025