surreptitious

/ˌsʌɹɪpˈtɪʃəs/

Misollar

The surreptitious gesture went unnoticed by the rest of the room.

sifat adjective

Stealthy, furtive, well hidden, covert (especially movements).

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.