SLIER 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 next

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

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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

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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 Yes, the show, headlined by rapper/musician Bad Bunny, was filled with sly jokes and inside references. —

Orlando Sentinel Editorial Board, The Orlando Sentinel, 11 Feb. 2026 Through this sly trick, where doorknobs rise to noses and walls tower high above the hairline, Argento sketches a vision of witchy terror akin to early works of German surrealism. —

Kevin Jacobsen, Entertainment Weekly, 31 Jan. 2026 Both a mockumentary and a sly subversion of modern pop stardom, the film features comedic performers Rachel Sennott, Kate Berlant, Hailey Benton Gates and Jamie Demetriou along with Rosanna Arquette and Alexander Skarsgård. —

Vanessa Franko, Los Angeles Times, 23 Jan. 2026 Via a sly, clever and potent allegory, the English singer-songwriter, who is trans, depicts the world of a vibrant but vilified cryptid community that finally rises up in the face of prejudice — not to attack, but simply to exist. —

Joe Lynch, Billboard, 16 Jan. 2026 See All Example Sentences for sly

Recent Examples of Synonyms for sly

Adjective

In state media comedy shows, jokes about Putin are told from time to time, but they are used to bolster his image as a powerful, cunning leader, and hold up Russia as a great country.

— Neringa Klumbytė, The Conversation, 4 Mar. 2026
These ambitious, cunning, and often amoral Cold War operatives were usually marginal or even inconsequential figures at home.

— Alfred McCoy, Literary Hub, 26 Feb. 2026

Definition of cunning

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“Sly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sly. Accessed 12 Mar. 2026.

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Last Updated: 9 Mar 2026 - Updated example sentences

Synonyms of sly

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