نهانیدیکشنری فارسی به انگلیسیcovert, underhand, private, sneaky, stealthy, surreptitious, ulterior, undercover
مخفیانهدیکشنری فارسی به انگلیسیcovertly, furtive, underground, underhand, secret, secretively, secretly, sneaking, stealthily, stealthy, surreptitious, surreptitiously, underhanded, undetected