stealthier; stealthiest
1
: slow, deliberate, and secret in action or character
2
a
: intended to escape observation : furtive
b
: designed to produce a very weak radar return
a stealthy airplane
stealthily adverb
stealthiness noun
Choose the Right Synonym for stealthy

secret, covert, stealthy, furtive, clandestine, surreptitious, underhanded mean done without attracting observation.

secret implies concealment on any grounds for any motive.

met at a secret location

covert stresses the fact of not being open or declared.

covert intelligence operations

stealthy suggests taking pains to avoid being seen or heard especially in some misdoing.

the stealthy step of a burglar

furtive implies a sly or cautious stealthiness.

lovers exchanging furtive glances

clandestine implies secrecy usually for an evil, illicit, or unauthorized purpose and often emphasizes the fear of being discovered.

a clandestine meeting of conspirators

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

underhanded stresses fraud or deception.

an underhanded trick

Examples of stealthy in a Sentence

the stealthy movements of the crocodile cats are among the stealthiest of stalkers
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Carter and Tiffany in Butler County: Is there any way to avoid the Net Investment Income Tax? Answer: The Net Investment Income Tax (NIIT) is one of those stealthy taxes that can catch high earners off guard. Steve Hruby, The Enquirer, 29 July 2025 Take, for example, Britain’s latest stealthy attempt to resurrect Cold War tactics online. Rachel Marsden, Hartford Courant, 27 July 2025 Matte black metal is the core of the Roku Pro Series’ visual design, with a stealthy, almost industrial take on the standard nearly bezel-less look of most midrange and high-end TVs. PC Magazine, 22 July 2025 Tom Holland wore a discontinued Daytona, Crown Prince Frederik of Denmark rocked a stealthy black Yacht-Master, and Roger Federer also showcased a Land-Dweller. Rachel Cormack, Robb Report, 14 July 2025 See All Example Sentences for stealthy

Word History

First Known Use

1565, in the meaning defined at sense 1

Time Traveler
The first known use of stealthy was in 1565

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Cite this Entry

“Stealthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stealthy. Accessed 4 Aug. 2025.

Kids Definition

stealthy

adjective
stealthier; stealthiest
1
: slow, deliberate, and secret in action or character
2
: intended to escape observation : furtive
stealthily adverb

More from Merriam-Webster on stealthy

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