Secretive

прилагательное 1) скрытный, замкнутый Например: They have remained secretive about the rumours. — Они умолчали о слухах. Синоним(ы): taciturn, silent 2) секретный, тайный

Большой англо-русский словарь

Secretive

adjective Etymology: back-formation from secretiveness, part translation of French secrétivité disposed to secrecy; not open or outgoing in speech, activity, or purposes Synonyms: see silentsecretively adverbsecretiveness noun

Merriam-Webster's Collegiate Dictionary