Dictionary.com
Thesaurus.com
Synonyms

slyly

American  
[slahy-lee] / ˈslaɪ li /

adverb

  1. in a deceitful manner; cunningly.

    They slyly plot to overthrow us.

  2. in a roguish or mischievous way.

    Some were serious, while others slyly winked at the camera.


Etymology

Origin of slyly

First recorded 1350–1400 slyly ( def. 1 ); 1835–40 slyly ( def. 2 ); sly ( def. ) + -ly ( def. )

Vocabulary lists containing slyly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

On those songs, the percussive combination of Messrs. Hussain and Harland is striking—lively and festive on “Jai Ganga”; slyly grooving on “Tagore”; slow and alluring on “Bharati’s Dance, Tempo Divine.”

From The Wall Street Journal Aug. 5, 2026

So yes, that sport you played in the school playground was slyly, quietly revolutionary.

From BBC Jul. 23, 2026

Amanda Ghaffari slyly streams the Green Bay Packers game on her iPhone.

From Los Angeles Times May 4, 2026

Through Valerie, Kudrow slyly performs our terminal habit of downgrading devastating developments to champagne problems, merrily chirping her character’s catchphrase, “How’s that?”

From Salon Mar. 26, 2026

“Friends who don’t even write to Harry Potter?” said Dobby slyly.

From "Harry Potter And The Chamber Of Secrets" by J. K. Rowling

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training