Synonyms for on the sly
- clandestine
- covert
- furtive
- hush-hush
- unauthorized
- fraudulent
- hidden
- hole-and-corner
- on the QT
- private
- skulking
- slinking
- sly
- sneaking
- stealthy
- sub-rosa
- under wraps
- under-the-table
- undercover
- underhand
- veiled
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Antonyms for on the sly
MOST RELEVANT
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
RELATED WORDS AND SYNONYMS FOR ON THE SLY
covertly
adverbclandestine, underhandedlysecretly
adverbin hidden manner- behind closed doors
- behind someone's back
- by stealth
- clandestinely
- confidentially
- covertly
- furtively
- hush-hush
- in camera
- in confidence
- in holes and corners
- in secret
- in strict confidence
- insidiously
- intimately
- obscurely
- on the QT
- on the quiet
- on the sly
- personally
- privately
- privily
- quietly
- slyly
- stealthily
- sub rosa
- surreptitiously
- under the table
- underhandedly
- unobserved
surreptitious
adjectivesneaky, secretRoget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.