a stranger to asleep awkward blankminded blind to callow caught napping dead to deaf to dumb empty empty-headed gauche green groping ignorant impercipient in ignorance of inane incognizant inexperienced innocent insensible insensible to know-nothing mindless naive napping nescient nonconceiving not with it out of it raw simple strange to tentative unacquainted unapprized unaware unaware of uncomprehending unconscious unconscious of unconversant unenlightened unfamiliar unhearing unilluminated uninformed uninitiated uninsightful uninstructed unintelligent unmindful unmindful of unperceiving unposted unprehensive unrealizing unripe unseeing unsure unsuspecting unversed unwitting vacuous witless