sneaky

B2 · Upper Intermediate

adj. doing something quietly so that other people do not notice you.

adj. characterized by stealth or the ability to avoid observation through cleverness.

“The cat was very sneaky, moving through the tall grass without making a sound.”

“The protagonist employs a sneaky approach to bypass the guards, relying on timing rather than brute force.”

C2 · Proficiency Countable noun Slang · Informal

n. a secret camera or microphone used to watch or listen to people.

n. any device used for covert surveillance or monitoring. Informal and often used in technical or security contexts.

“He was worried that someone had planted a sneaky in his office to record his meetings.”

“The private investigator checked the room for any sneakies that might have been installed by the rival firm.”