How to say "unprotected" in Japanese

• 無防備むぼうびCommon
  na-adjective, no-adjectiveThe usual choice for 'unprotected' in the sense of having no defense and being exposed to danger or attack; it suggests vulnerability, as of a person or place left without protection.
• がら空きがらあき
  no-adjective, na-adjectiveReally describes a place or position left wide open and inadequately guarded, its defenses gaping empty, rather than general lack of protection. A narrower, less common choice than 無防備 for 'unprotected'.

Use 無防備 for the general sense of lacking defense or protection and being vulnerable to harm; use 「がら空き」 when a place or position is wide open and inadequately guarded.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 無防備むぼうびdefenseless
• 生なまunprotected (sex)
• がら空きがらあきinadequately defended