Synonyms and related words :
bare-handed, defenseless, guardless, helpless, inexpectant, nonexpectant, unadmonished, unadvised, unanticipating, unanticipative, unarmed, unarmored, unattended, unaware, uncovered, undefended, unexpecting, unforewarned, unfortified, ungarrisoned, unguarded, unguessing, uninformed, unprepared, unprotected, unready, unscreened, unsheltered, unshielded, unsuspecting, unwatched, weaponless