shifty
adj. B2 Upper Intermediate US //ˈʃɪfti// UK //ʃˈɪfti// shifty Informal
adj. untrustworthy or dishonest. You use this to describe someone who is trying to hide the truth or someone who looks like they are lying.
adj. untrustworthy or dishonest; having a suspicious or evasive manner. Often used to describe a person's character or a person's eyes that seem to avoid looking directly at you.
He gave me a shifty look when I asked about the money.
The detective noticed the suspect's shifty eyes and decided to question him more closely about the timeline.
Despite his polished appearance, the witness's shifty behavior during the cross-examination suggested a lack of confidence in his own testimony.
From shift + -y.