providing protective supervision; watching over or safeguarding; "daycare that is educational and not just custodial"; "a guardian angel"; "tutelary gods"
the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects; "it is not safe to look directly at the sun with the naked eye"
marked by keen caution and watchful prudence; "they were wary in their movements"; "a wary glance at the black clouds"; "taught to be wary of strangers"