Definition, Meaning & Synonyms

on-the-sly

adverbial phrase
/ˌɒn ðə slaɪ/
Definition
In a secretive or stealthy manner.
Examples
  • She was meeting her friends on-the-sly, trying to keep it from her parents.
  • He was on-the-sly working on a surprise party for her birthday.
  • The company made changes on-the-sly, hoping that no one would notice.
Meaning
The phrase ‘on-the-sly’ refers to actions taken discreetly, without drawing attention or in a hidden way. It often implies an element of sneaking or doing something quietly, usually to avoid detection.
Synonyms
  • secretly
  • covertly
  • surreptitiously