Thesaurus.com
synonyms
  • definitions

on sly

see definition of on sly
  • as insurreptitious
  • as inunderground
  • as insubterrestrial
  • as insecretly
  • as incovertly
Relevance ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.
Relevance
A-Z
Length
-
+

Synonyms for on sly

adj sneaky, secret

Antonyms for on sly

  • aboveboard
  • forthright
  • honest
  • open
  • public
  • truthful
  • authorized
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.