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adjective Uncommon

sly

sleye

Sly (adjective) means Cleverly deceptive or secretive, often in a mischievous way. Example: “She gave a sly smile before revealing the surprise.”

adjective
1
Cleverly deceptive or secretive, often in a mischievous way.
"She gave a sly smile before revealing the surprise."
"The fox is often portrayed as a sly, cunning creature in folk tales."

How to use sly

Learner’s notes

In plain EnglishClever in a sneaky or scheming way.

Easily confused with
Common pairings
sly grin sly fox on the sly

Word forms

slier comparative, slyer comparative, sliest superlative, slyest superlative

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She gave a _____ smile before revealing the surprise.

Etymology

From Old Norse "slœgr," meaning cunning or crafty, literally "capable of striking" — related to the English word "sleight," as in "sleight of hand."

Origin: Old Norse

Related words

Frequently asked questions

What does “sly” mean?

The word “sly” means cleverly deceptive or secretive, often in a mischievous way. In plain terms, clever in a sneaky or scheming way.

How do you pronounce “sly”?

“Sly” is pronounced sleye (/slaɪ/ in IPA).

How do you use “sly” in a sentence?

Here is “sly” used in a sentence: “She gave a sly smile before revealing the surprise.”

What is another word for “sly”?

Words with a similar meaning to “sly” include artful, crafty, cunning, knowing, sharp and shifty.

What part of speech is “sly”?

“Sly” is an adjective.

Where does the word “sly” come from?

The word “sly” comes from Old Norse. From Old Norse "slœgr," meaning cunning or crafty, literally "capable of striking" — related to the English word "sleight," as in "sleight of hand.".

Is “sly” a common word?

“Sly” is an uncommon word in modern English.

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Definitions: FreeDict original editorial