相关单词同义词defenceless, 近义词 defenseless 无防备的, vulnerable 易受伤害的, unguarded 无保护的, unarmed 无武器的, accessible 可得到的, defenceless 无保护的, undefended 无防备的, insecure 不安全的, isolated 孤立的, exposed 暴露的, unshielded 无屏蔽的, at risk 处境危险反义词protected, 受保护的临近词UN, unbolt相似词unprofitable, unpromising, unprompted, unpronounceable, unproven, unprovoked, unpublished, unpunished, 返回 unprotected