How to say "conscience" in Japanese

Choosing the right word
  • 良心りょうしんJLPT N1approx.Common
    nounCovers the core sense of 'conscience': the inner voice that judges right and wrong and prompts guilt or scruples. This is the default word in nearly any context, from pangs of conscience to acting in good conscience.
    彼かれは良心りょうしんのとがめを感かんじた。↗
    He felt the pangs of conscience.
  • 善心ぜんしん
    nounGlossed 'conscience', but its emphasis is on virtue, a good or benevolent heart, and moral sense. Because of that leaning, it is seldom the natural choice for 'conscience' in the ordinary sense; 良心 is usually the word you want.

Use 良心 for the ordinary sense of one's inner moral voice; 善心 is a rarer word leaning toward virtue or a good heart, so it seldom replaces 良心 for 'conscience'.

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

Japanese equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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