Search Dictionary
Definition of slyness

slyness

/ˈslaɪ.nəs/
sly · ness

Adverb:slyly
•
Adjective:sly
JUMP TO:

slyness Lexical Profile

slyness Game Scores & Validity

• noun

1

The quality of being cunning, crafty, or deceitful in a secretive or underhanded way.

Example

"The detective immediately recognized the suspect's slyness during the interrogation."


2

Playful, mischievous, or knowing cleverness, often expressed through subtle humor or a secretive look.

Example

"There was a hint of slyness in her smile as she handed over the surprise gift."

Synonyms
View all synonyms for slyness
Antonyms
View all antonyms for slyness

• Rhymes for slyness

Word Origin & Etymology

Formed in Middle English from the adjective 'sly' (borrowed from Old Norse 'slœgr', meaning clever, cunning, or dexterous) and the native noun-forming suffix '-ness'.

Cite this Entry


Wordmom. (2026). Definition of Slyness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/slyness
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.