sly

word

/ˈsɫaɪ/
sly
/slˈaɪ/
sly

Definition

Someone who is sly is clever at hiding their true intentions or getting what they want in a secret or tricky way. It often means behaving in a way that is slightly dishonest or mischievous.

Usage & Nuances

Used mostly for negative or playful cleverness—it suggests trickiness rather than honest intelligence. Common collocations: "a sly smile," "a sly fox." Less harsh than "devious" or "sneaky." Can refer to both children and adults.

Example Sentences

With a sly wink, she let me know the secret plan.

natural

He gave me a sly smile.

basic

The sly fox found a way into the chicken coop.

basic

Don’t trust his sly promises; he always finds a loophole.

natural

He was a sly negotiator, always getting the better deal without anyone noticing.

natural

Some children can be sly when they want to get extra dessert.

basic