"shifty" in the adjective sense
1. devious, shifty
characterized by insincerity or deceit evasive
"a devious character"
"shifty eyes"
2. shifting, shifty
changing position or direction
"he drifted into the shifting crowd"
"their nervous shifting glances"
"shifty winds"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License