shifty
Definitions
Having a deceitful, dishonest, or untrustworthy character.
Characterized by evasive or suspicious behavior.
Moving or shifting frequently or restlessly.
Examples
The man gave me a shifty look before quickly disappearing into the alleyway.
I felt uncomfortable dealing with the salesman because his shifty behavior made me doubt his honesty.
Synonyms
deceitful sly sneaky untrustworthy devious cunning underhanded
Antonyms
honest trustworthy sincere frank straightforward candid reliable