furtivea GRE synonym for 'sneaky' meaning attempting to avoid notice or attention, typically because of guiltHe cast a furtive glance over his shoulder before slipping through the back door.NoteHe cast a furtive glance over his shoulder before slipping through the back door.Elon.io is an online learning platformWe have an entire course teaching GRE Verbal — Essential Vocabulary grammar and vocabulary.Start learning GRE Verbal — Essential Vocabulary now