Antonyms of adj unprotected

1 sense of unprotected

Sense 1
unprotected (vs. protected) -- (lacking protection or defense)

protected (vs. unprotected) -- (kept safe or defended from danger or injury or loss; "the most protected spot I could find")
        => bastioned, fortified -- (secured with bastions or fortifications)
        => battlemented -- (protected with battlements or parapets with indentations or embrasures for shooting through)
        => burglarproof -- (secure against burglary)
        => covert -- ((of a wife) being under the protection of her husband; "a woman covert")
        => moated -- (protected by a deep wide ditch usually filled with water)
        => shielded -- ((used especially of machinery) protected by a shield to prevent injury)
        => snug -- (offering safety; well protected or concealed; "a snug harbor"; "a snug hideout")
        => stormproof -- (protected against or able to withstand storms)
        => weatherproof -- (able to withstand exposure to weather without damage; "weatherproof electric wiring"; "a weatherproof coat")

Similarity of adj unprotected

1 sense of unprotected

Sense 1
unprotected (vs. protected) -- (lacking protection or defense)
       => exposed, open -- (with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound")
       => naked, defenseless -- (having no protecting or concealing cover; "naked to mine enemies"- Shakespeare)
       => unshielded -- ((used especially of machinery) not protected by a shield)
          Also See-> insecure#2, unsafe#1; susceptible#1; vulnerable#1