How to say "self-importance" in Japanese

• 自尊じそんCommon
  nounCovers the neutral, positive side of 'self-importance': self-respect and justified pride in oneself. It is really the word for self-respect, so choose it when the sense is dignified rather than arrogant.
• 自惚れうぬぼれJLPT N1approx.Common
  nounCovers the negative sense of 'self-importance' as conceit or vanity — an inflated, unjustified opinion of oneself. When English 'self-importance' carries a critical, mocking tone, this is the word you want.
  誰だれでも大おおなり小しょうなり自惚うぬぼれはある。↗

  Everyone is more or less conceited.

Use 自尊 for a neutral sense of self-respect or holding oneself in esteem, and 「自惚れ」 when 'self-importance' means conceit or an inflated, vain opinion of oneself.

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

• 自尊じそんself-respect
• 自惚れうぬぼれconceit
• 自尊心じそんしんself-esteem
• 独りよがりひとりよがりself-conceit