How to say "insecurity" in Japanese

• 不安定ふあんていCommon
  na-adjective, nounCovers 'insecurity' as instability: an unsteady state of affairs, conditions, or temperament, extending to moodiness. Typical context: shaky circumstances or a volatile mood rather than an inner feeling of fear.
  日本人にほんじんからが、アメリカ人あめりかじんは不安定ふあんていで、自由じゆう奔放ほんぽうに見みえる。↗

  Americans appear unsettled and uncontrolled to Japanese.
• 不安ふあんJLPT N3approx.Common
  noun, na-adjectiveCovers 'insecurity' as a feeling: anxiety, uneasiness, or worry about what might happen. Typical context: feeling insecure or apprehensive about the future or an outcome, rather than describing unstable conditions.
  その知しらせで彼かれの不安ふあんが増ました。↗

  The news added to his anxiety.

Use 不安定 for insecurity as instability — unsteady conditions, circumstances, or moods — and 不安 for insecurity as a feeling of anxiety, unease, or worry about what may happen.

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

• 不安定ふあんていinstability
• 不安ふあんanxiety
• 不安心ふあんしんuneasiness