Formal and Informal Expressions of sly

In different contexts, you can replace 'sly' with suitable alternatives. In a more formal setting, 'cunning, deceitful' is apt. In informal speech or writing, 'tricky, sneaky' is a commonplace synonym.

sly: Explore its Definition & Usage

sly Definition

1having or showing a cunning and deceitful nature
2playfully mischievous

Using sly: Examples

Take a moment to familiarize yourself with how "sly" can be used in various situations through the following examples!

Example
He gave me a sly smile.
Example
She made a sly comment about his appearance.
Example
The politician was known for his sly tactics.
Example
The cat made a sly attempt to steal the fish.

sly Synonyms and Antonyms

Synonyms for sly

Antonyms for sly

Phrases with sly

sly dog
a person, usually male, who is clever and cunning in a way that is often admired
Example
He's a sly dog, always finding ways to get what he wants.
sly as a fox
very cunning and able to deceive others easily
Example
He's sly as a fox, you can never tell what he's really thinking.
sly grin
a smile that suggests that the person knows something that others do not
Example
He had a sly grin on his face, as if he knew a secret.

Origins of sly

from Old Norse 'slœgr', meaning 'cunning'

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Summary: sly in Brief

The term 'sly' [slaɪ] refers to someone who is cunning and deceitful, often in a playful or mischievous way. It can be used to describe a person's behavior or actions, as in 'The politician was known for his sly tactics.' 'Sly' also appears in phrases like 'sly dog,' which denotes admiration for a clever person, and 'sly grin,' which suggests that the person knows something others do not.