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.
In addition though, the use of cameras on stealthy motorbikes weaving in amongst the peloton have become a key source of live footage and provide exciting new images and perspectives. Tim Genske, Forbes.com, 20 July 2025 Others make a stealthy entrance, taking us by surprise. Tracy Scott Forson, Smithsonian Magazine, 18 July 2025 Porsche just made the all-electric Taycan stealthier. Erik Shilling, Robb Report, 16 July 2025 Both factors may have added up to evolutionary pressure on ichthyosaurs, favoring stealthy swimming, says Lindgren. Lauren Leffer, Popular Science, 16 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 23 Jul. 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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