stealthy

1 of 2

adjective

ˈstel-thē 

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

ˈstel-thə-lē 

adverb

stealthiness

ˈstel-thē-nəs 

noun

stealthiness

2 of 2

noun

stealth·​i·​ness -thēnə̇s 

-thin-

plural -es

: the quality or state of being stealthy

Synonyms of stealthy

Adjective

• shady
• sneaky
• furtive
• sly

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

Adjective

the stealthy movements of the crocodile

cats are among the stealthiest of stalkers

Recent Examples on the Web

Adjective

Soldiers may soon be doing a bit less pack hauling as the US Department of Defense taps American Rheinmetall and Harbinger to develop a new generation of stealthy, inexpensive, and expendable robotic trucks designed to carry cargo to the battlefield. —David Szondy june 03, New Atlas, 3 June 2026

The Avalanches have shared their second single since launching a stealthy teaser campaign earlier this year. —Jazz Monroe, Pitchfork, 1 June 2026

Surviving here demands stealth more so than strength — and harpy eagles are astonishingly stealthy. —Scott Travers, Forbes.com, 17 May 2026

Engage in precise sword duels and stealthy takedowns. —George Yang, PC Magazine, 1 May 2026

Word History

First Known Use

Adjective

1565, in the meaning defined at sense 1

Rhymes for stealthy

• healthy
• wealthy
• unhealthy

Kids Definition

stealthy

adjective

ˈstel-thē 

stealthier; stealthiest

1

: slow, deliberate, and secret in action or character

2

: intended to escape observation : furtive

stealthily

-thə-lē 

adverb