音読み: セイ
訓読み: まこと
画数: 13
部首: ごんべん（訁）
Meaning
Truth / Sincerity / Honesty / Faith
- 誠実 — honesty / faithfulness
- 誠意 — sincerity
- 忠誠 — loyalty
- 至誠 — utmost sincerity
- 誠 — truth / sincerity
誠 is a 形声文字 formed from 言 (speech) and 成 (phonetic せい). It expresses truthfulness in words and actions — speech and deeds that reflect a sincere heart.