English Reference
adjective · noun

sneaky

adj. · n.
US /ˈsniki/ UK /snˈiːki/ sneaky

  1. 01 B2 Upper Intermediate

    adj.doing things in a secret and often dishonest way.

    adj.acting in a stealthy or furtive manner, often with the intent to deceive or avoid detection.

    Simple

    It was a bit sneaky of him to read my private messages while I was out of the room.

    In context

    The company used sneaky tactics to hide the extra fees until the very end of the checkout process.

    deviousfurtivesly
  2. 02 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.

    Simple

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

    In context

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

  3. 03 C2 Proficiency SlangInformal

    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.

    Simple

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

    In context

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

    Usage

    Usually refers to physical hardware like small cameras or audio bugs.

    bughidden camera

From sneak + -y.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated