Surreptitious

/ˌsɜːrəpˈtɪʃəs/

Meaning & Definition

adjective
Kept secret, especially because it would not be approved of.
Their surreptitious meetings raised suspicions among their colleagues.
Conducted with secrecy or stealth.
He took a surreptitious glance at the documents on her desk.
Done or acting in a way that is intended to escape notice.
The surreptitious surveillance of the suspects was crucial to the investigation.

Etymology

Late Latin 'surreptitius', from 'surrept-', past participle of 'surripere' meaning to seize.

Common Phrases and Expressions

surreptitious glance
a secretive or stealthy look at something or someone.
surreptitious behavior
conduct that is secretive or hidden to avoid detection.
surreptitious acquisition
obtaining something in a hidden or secretive manner.

Related Words

stealth
the act of moving, proceeding, or acting in a covert way.
covert
not openly shown or revealed; secret.
clandestine
characterized by, done in, or executed with secrecy or concealment.

Slang Meanings

sneaky
He pulled off the sneaky plan without anyone noticing.
under the radar
They made under-the-radar changes to the project.