Learn That Word

Synonyms for Shifty (same or very similar meaning)

WordNet sense 1 (characterized by insincerity or deceit; evasive):
devious

WordNet sense 2 (not worthy of trust or belief):
untrustworthy, untrusty

WordNet sense 3 (changing position or direction):
shifting

WordNet sense 4 (subject to change or variation):
unsteady


From the ODE community, based on WordNetadd/edit