surreptitious
/ˌsʌr.əpˈtɪʃ.əs/ adjective
Definition
kept secret, especially because it would not be approved of; done stealthily
Examples
She took a surreptitious glance at her phone during the meeting, hoping no one would notice.
The journalist conducted a surreptitious investigation into the company's financial fraud.
Synonyms
covert clandestine stealthy
Antonyms
overt open transparent
Tags
#secrecy
#behavior
#stealth