Synonyms of surreptitious

surreptitious

adjective

ˌsər-əp-ˈti-shəs 

as in clandestine

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

a private investigator adept at taking surreptitious pictures of adulterous couples

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Synonym Chooser

How is the word surreptitious distinct from other similar adjectives?

Some common synonyms of surreptitious are clandestine, covert, furtive, secret, stealthy, and underhanded. While all these words mean "done without attracting observation," 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 clandestine be a good substitute for surreptitious?

The synonyms clandestine and surreptitious are sometimes interchangeable, 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

In what contexts can covert take the place of surreptitious?

While the synonyms covert and surreptitious are close in meaning, covert stresses the fact of not being open or declared.

covert intelligence operations

When might furtive be a better fit than surreptitious?

While in some cases nearly identical to surreptitious, furtive implies a sly or cautious stealthiness.

lovers exchanging furtive glances

Where would secret be a reasonable alternative to surreptitious?

The meanings of secret and surreptitious largely overlap; however, secret implies concealment on any grounds for any motive.

met at a secret location

When could stealthy be used to replace surreptitious?

The words stealthy and surreptitious are synonyms, but do differ in nuance. Specifically, stealthy suggests taking pains to avoid being seen or heard especially in some misdoing.

the stealthy step of a burglar

When is underhanded a more appropriate choice than surreptitious?

The words underhanded and surreptitious can be used in similar contexts, but underhanded stresses fraud or deception.

an underhanded trick

Example Sentences

Recent Examples of surreptitious

Haeckel’s Italian trip was part of a surreptitious alternate life plan. —Literary Hub, 28 Oct. 2025

The Trump administration intensified its scrutiny of Chinese nationals studying at U.S. universities in May following several instances of students allegedly engaging in surreptitious activity, including espionage. —Rachel Wolf, FOXNews.com, 9 Oct. 2025

The notion of a man of Ballmer’s wealth — $153 billion; most in professional sports and top 10 on the planet — being able to procure and retain elite talent through surreptitious ways is the worst nightmare for fans of the league’s other 29 teams. —Sam Amick, New York Times, 11 Sep. 2025

When one fan posted a surreptitious photo of Sudeikis and Hunt hanging out at a bar, commenters warned them to not share the location. —Lisa Gutierrez, Kansas City Star, 1 Aug. 2025