surreptitious   (Sound)

The surreptitious has 2 Senses.

• sneaky, stealthy, surreptitious, sneak, furtive
• 密, 密やか, 忍びやか
• marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"
• 静かさ、用心、および秘密を特徴とする

• cloak-and-dagger, secret, hole-and-corner, surreptitious, hush-hush, clandestine, hugger-mugger, undercover, underground
• 内密, 密, 秘やか, 密か, 秘めやか, 密やか, 秘密, 忍びやか
• conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an undercover investigation"; "underground resistance"
• 隠された目的または方法で行われる、あるいは特徴とされる