adjective see: hell Date: circa 1528 marked by, held in, or conducted with secrecy ; surreptitious , see: secret ~ly adverb ~ness noun clandestinity noun
CLANDESTINE
Meaning of CLANDESTINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012