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on the quiet
adjective as in clandestine
adjective as in lubricious
Weak matches
- clandestine
- concealed
- crafty
- crooked
- cunning
- deceptive
- devious
- dirty-dealing
- dishonest
- dishonorable
- disingenuous
- double-crossing
- duplicitous
- fraudulent
- furtive
- guileful
- hush-hush
- indirect
- insidious
- oblique
- on the Q.T.
- secret
- secretive
- shady
- shifty
- slippery
- sly
- sneaking
- sneaky
- stealthy
- surreptitious
- treacherous
- tricky
- two-faced
- two-timing
- under wraps
- undercover
- underhanded
- unethical
- unfair
- unjust
- unscrupulous
- wily
adjective as in underhand
Strong match
Weak matches
- clandestine
- concealed
- crafty
- crooked
- cunning
- deceptive
- devious
- dirty-dealing
- dishonest
- dishonorable
- double-crossing
- duplicitous
- fraudulent
- furtive
- guileful
- hush-hush
- indirect
- insidious
- oblique
- on the Q.T.
- secret
- secretive
- shady
- shifty
- slippery
- sly
- sneaking
- sneaky
- stealthy
- sub-rosa
- surreptitious
- treacherous
- tricky
- two-faced
- two-timing
- under wraps
- undercover
- unethical
- unfair
- unjust
- unscrupulous
- wily
adverb as in covertly
adverb as in secretly
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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