Synonym of FURTIVE

Baffling : impossible to understand; perplexing.
Fleeing : run away from a place or situation of danger.
Hasty : done with excessive speed or urgency; hurried.
Stealthy : behaving or done in a cautious and surreptitious manner, so as not to be seen or heard.
Furtive : attempting to avoid notice or attention, typically because of guilt or a belief that discovery would lead to trouble; secretive.

Synonym of Furtive is Stealthy