SLY Synonyms: 169 Similar and Opposite Words

Q: How is the word 'sly' distinct from other similar adjectives?

Some common synonyms of sly are artful , crafty , cunning , foxy , slick , tricky , and wily . While all these words mean "attaining or seeking to attain one's ends by guileful or devious means," sly implies furtiveness, lack of candor, and skill in concealing one's aims and methods. // a sly corporate raider

Q: Where would 'artful' be a reasonable alternative to 'sly'?

The words artful and sly are synonyms, but do differ in nuance. Specifically, artful implies indirectness in dealing and often connotes sophistication or cleverness. // elicited the information by artful questioning

Q: When could 'crafty' be used to replace 'sly'?

While in some cases nearly identical to sly , crafty implies cleverness and subtlety of method. // a crafty lefthander

Q: In what contexts can 'cunning' take the place of 'sly'?

While the synonyms cunning and sly are close in meaning, cunning suggests the inventive use of sometimes limited intelligence in overreaching or circumventing. // the cunning fox avoided the trap

Q: When is it sensible to use 'foxy' instead of 'sly'?

The synonyms foxy and sly are sometimes interchangeable, but foxy implies a shrewd and wary craftiness usually involving devious dealing. // a foxy publicity man planting stories

Q: When is 'slick' a more appropriate choice than 'sly'?

In some situations, the words slick and sly are roughly equivalent. However, slick emphasizes smoothness and guile. // slick operators selling time-sharing

Q: When might 'tricky' be a better fit than 'sly'?

Although the words tricky and sly have much in common, tricky is more likely to suggest shiftiness and unreliability than skill in deception and maneuvering. // a tricky political operative

Q: When would 'wily' be a good substitute for 'sly'?

The meanings of wily and sly largely overlap; however, wily implies skill and deception in maneuvering. // the wily fugitive escaped the posse

sly

adjective

ˈslī

Definition of sly

as in cunning

clever at attaining one's ends by indirect and often deceptive means the movie pairs a sly, dissembling ex-con with an upstanding, straight-arrow cop

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in shady

given to acting in secret and to concealing one's intentions why, you sly fellow! I had no idea you were planning my birthday party a sly undercover police officer

Synonyms & Similar Words

Antonyms & Near Antonyms

as in mischievous

tending to or exhibiting reckless playfulness a sly sense of humor

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word sly distinct from other similar adjectives?

Some common synonyms of sly are artful, crafty, cunning, foxy, slick, tricky, and wily. While all these words mean "attaining or seeking to attain one's ends by guileful or devious means," sly implies furtiveness, lack of candor, and skill in concealing one's aims and methods.

a sly corporate raider

Where would artful be a reasonable alternative to sly?

The words artful and sly are synonyms, but do differ in nuance. Specifically, artful implies indirectness in dealing and often connotes sophistication or cleverness.

elicited the information by artful questioning

When could crafty be used to replace sly?

While in some cases nearly identical to sly, crafty implies cleverness and subtlety of method.

a crafty lefthander

In what contexts can cunning take the place of sly?

While the synonyms cunning and sly are close in meaning, cunning suggests the inventive use of sometimes limited intelligence in overreaching or circumventing.

the cunning fox avoided the trap

When is it sensible to use foxy instead of sly?

The synonyms foxy and sly are sometimes interchangeable, but foxy implies a shrewd and wary craftiness usually involving devious dealing.

a foxy publicity man planting stories

When is slick a more appropriate choice than sly?

In some situations, the words slick and sly are roughly equivalent. However, slick emphasizes smoothness and guile.

slick operators selling time-sharing

When might tricky be a better fit than sly?

Although the words tricky and sly have much in common, tricky is more likely to suggest shiftiness and unreliability than skill in deception and maneuvering.

a tricky political operative

When would wily be a good substitute for sly?

The meanings of wily and sly largely overlap; however, wily implies skill and deception in maneuvering.

the wily fugitive escaped the posse

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of sly Asked if Cole would be guaranteed a start in the Wild Card round, the likeliest scenario for the Yankees, the manager replied with a sly smile on Friday. — Gary Phillips, New York Daily News, 19 Sep. 2026 The follow-up adheres to the same pattern, but adds a bit of sly self-congratulation. — Thomas Doherty, HollywoodReporter, 19 Sep. 2026 At the first roundtable, with a sly tap on the shoulder, Cumming chose Tomica Adams (a pilot from Boston, MA) and Joe Vanella (a funeral director from Wantagh, New York) as his first Traitors of the season. — Hunter Ingram, Variety, 18 Sep. 2026 Lopez delivers a sly, perfectly self-aware performance, while the suspense is executed with effortless precision. — Declan Gallagher, Entertainment Weekly, 3 Sep. 2026 See All Example Sentences for sly

Recent Examples of Synonyms for sly

Adjective

Magpies are opportunistic scavengers, incredibly cunning and deceitful and capable of calculated deception.

— Voice of the People, New York Daily News, 28 Sep. 2026
Last week, Alan Cumming’s cunning competition empire The Traitors unsheathed its most diabolical twist yet.

— Rebecca Alter, Vulture, 24 Sep. 2026

Definition of cunning

Adjective

The fake image was attention-grabbing, shady, and timely — in other words, perfect for social media virality but a potential liability for the parties involved.

— Mia Sato, The Verge, 15 Oct. 2026
If weather permits, be sure to dine at Oliveto Restaurant & Lounge Bar, which sits beneath a shady grove of trees and overlooks the pool and vineyard.

— Condé Nast, Condé Nast Traveler, 13 Oct. 2026

Definition of shady

Adjective

Leaning into bold patterns is a sneaky way to hide wrinkles in your clothing while still allowing your personality to shine through in your travel wardrobe.

— Merrell Readman, Travel + Leisure, 7 Oct. 2026
This is a sneaky mistake and one of the most common ones business partners make.

— Leslie John, CNBC, 6 Oct. 2026

Definition of sneaky

Adjective

To avenge an injustice and restore honor, a good yakuza, like Ken-san, would set off alone for a suicidal last stand against his wicked rivals.

— Ian Buruma, New Yorker, 12 Oct. 2026
That unholy resurrection gives William some wicked supernatural powers to go along with his slick swordplay.

— ABC News, ABC News, 9 Oct. 2026

Definition of wicked

Adjective

Coleman said each design has its own distinct character and can be styled individually, either as a subtle everyday detail or a sculptural statement.

— Tianwei Zhang, Footwear News, 15 Oct. 2026
As the researchers saw, introducing random mutation could still make subtle structural tweaks that produced enzymes that were considerably more active.

— ArsTechnica, ArsTechnica, 14 Oct. 2026

Definition of subtle

Adjective

But the sensuality vibing between Elinor and Ferrars between meetings both furtive and not offers at least one romantic pairing to root for.

— Ryan Lattanzio, IndieWire, 13 Oct. 2026
Just Keenan could usurp Maher, and after a furtive hug of her horse’s neck before the starting bell, the 29-year-old certainly tried.

— Tilly Berendt, New York Times, 14 Sep. 2026

Definition of furtive

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slyboots

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“Sly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sly. Accessed 20 Oct. 2026.

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Synonyms of sly

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