sly

sly · adjective

imported

Definitions

adjective

  1. 1.

    Cunning and deceitful.

  2. 2.

    Showing clever awareness and resourcefulness.

Phrases & expressions

  • •
    on the sly — Secretly; furtively.

Related words

Antonyms: honest, naive
See also: crafty, cunning, sneaky
Synonyms: crafty, cunning, sneaky

Etymology

From Old Norse slœgr ("cunning, sly").