English

Adverb

on the sly

1. (idiomatic) Slyly, in an inconspicuous manner, so as not to be seen; secretly; stealthily.
   • 1857, William Makepeace Thackeray, The Virginians, ch. 16:

     This diversion was enjoyed on the sly, and unknown to the ladies of the house.

Translations

Synonyms

• clandestinely
• furtively

Anagrams

• honestly