unarmedEnglishOxford English Thesaurusunarmed adjective troops fired into a crowd of unarmed civilians: defenceless, without arms, without weapons, weaponless, open to attack, wide open, open; unprotected, undefended, unguarded, unshielded, vulnerable, exposed, assailable; weak, helpless; rare pregnable. ▷antonyms armed, protected.unarmed Oxford Dictionary of English