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.
Russia would also assist India in developing its own stealthy fifth-generation fighter jet like the American F-22 and F-35, as well as the Chinese J-20 that are in service, the report added. Yaakov Katz, Newsweek, 7 Feb. 2025 From deadly strikes to stealthy surveillance to remote resupply, their applications abound. Colin Demarest, Axios, 5 Feb. 2025 Another group of Marine Corps fighter jets, stealthy F-35B Lightning IIs, arrived at Andersen Air Force Base on Monday for their own training. Thomas G. Moukawsher, Newsweek, 30 Jan. 2025 Speaking over Zoom, Stacey tells Variety that the cars were perfect to pull off a robbery; stealthy and fast, but also quite small. Jazz Tangcay, Variety, 18 Jan. 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

Dictionary Entries Near stealthy

Cite this Entry

“Stealthy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stealthy. Accessed 19 Feb. 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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