Meaning
徳 (toku) means virtue, moral character, and genuine goodness — not mere rule-following, but the lived quality that earns others' trust without demanding it. Confucian philosophy placed 徳 at the center of ethical life. A ruler with 徳 governed without coercion; a person with 徳 drew loyalty naturally.
Etymologically, 徳 combines three components. 彳 (chi) is the "going" radical — a figure in deliberate motion along a path. 直 (choku) means straight or honest. 心 (kokoro) is the heart or mind. Together they depict someone walking a straight path guided by the heart — virtue as something lived through action, not simply held as belief.
In Japanese, 徳 appears across philosophy, religion, and history. In Buddhism it describes merit earned through good deeds (功徳, kudoku). The Tokugawa shogunate (徳川幕府) placed 徳 at the front of its clan name — a deliberate claim to moral authority. Emperor Nintoku (仁徳), famous for reducing taxes during a famine, carries it in his posthumous name: "virtue of benevolence."
At 14 strokes, 徳 is taught in 5th grade as part of the Kyōiku Kanji list. JLPT places it at N1, reflecting its frequent appearance in formal writing, literature, and philosophical texts.
Readings
On'yomi (音読み) — Chinese-derived readings
徳 has one on'yomi reading: トク (toku). Borrowed from classical Chinese, it appears in all major compounds relating to ethics, morality, and character.
- 道徳 (doutoku) — morality, ethics; the principles guiding right conduct in society
- 美徳 (bitoku) — virtue; a trait considered morally excellent or admirable
- 功徳 (kudoku) — merit, good karma; spiritual benefit earned through virtuous acts in Buddhist teaching
Kun'yomi (訓読み) — Native Japanese readings
徳 has no standard kun'yomi. It entered Japanese from Chinese specifically for philosophical and ethical discourse, while native Japanese vocabulary handled "goodness" through other words. Names containing 徳 may use varied readings, but these follow personal convention rather than standardized kun'yomi rules.
Common Words & Compounds
徳 runs through compounds spanning ethics, religion, and Japanese history:
Ethics, Morality, and Education
- 道徳 (doutoku) — morality, ethics; the study and practice of moral principles guiding human behaviour
- 道徳心 (doutokushin) — moral conscience; an inner awareness of right and wrong
- 徳育 (tokuiku) — moral education; schooling aimed at developing ethical character and values
- 徳目 (tokumoku) — the virtues; a systematic catalogue of moral qualities to cultivate
Personal Virtue and Character
- 美徳 (bitoku) — virtue; a morally excellent trait
- 人徳 (jintoku) — personal virtue; the natural quality that makes people instinctively trust someone
- 功徳 (kudoku) — merit, good karma; spiritual benefit from virtuous acts, central to Buddhist teaching
- 恩徳 (ontoku) — grace, benevolence; kindness and virtue shown by another
- 積徳 (sekitoku) — accumulating virtue; building moral merit through consistent good deeds over time
Historical and Cultural Compounds
- 徳川 (Tokugawa) — the Tokugawa clan; Japan's ruling shogunate from 1603 to 1868
- 仁徳 (Nintoku) — Emperor Nintoku; his posthumous name literally means "virtue of compassion"
- 徳島 (Tokushima) — Tokushima Prefecture on Shikoku, known for the Awa Odori festival; the name joins virtue (徳) and island (島)
Example Sentences
彼は道徳の授業を教えています。
Kare wa doutoku no jugyou wo oshiete imasu.
He teaches ethics class.
正直さは美徳の一つだ。
Shoujikisa wa bitoku no hitotsu da.
Honesty is one of the virtues.
子供たちに道徳心を育てることが大切です。
Kodomotachi ni doutokushin wo sodateru koto ga taisetsu desu.
Cultivating a sense of ethics in children matters.
仏教では功徳を積むことが重視されています。
Bukkyou de wa kudoku wo tsumu koto ga juushi sarete imasu.
Buddhism places great weight on accumulating merit through good deeds.
あの市長には人徳があり、市民から慕われています。
Ano shichou ni wa jintoku ga ari, shimin kara shitawarete imasu.
That mayor has real personal virtue — the citizens genuinely look up to him.
徳川幕府は260年以上日本を治めました。
Tokugawa bakufu wa nihyakurokujuu-nen ijou Nihon wo osamemashita.
The Tokugawa shogunate governed Japan for more than 260 years.
徳を積んだ人は周りから信頼される。
Toku wo tsunda hito wa mawari kara shinrai sareru.
Someone who has cultivated virtue earns the trust of those around them.
彼女の行動は高い道徳心を示しています。
Kanojo no koudou wa takai doutokushin wo shimeshite imasu.
Her actions reflect a strong moral conscience.
孔子は徳のある人こそが真の指導者だと説きました。
Koushi wa toku no aru hito koso ga shin no shidousha da to tokimashita.
Confucius taught that a person of virtue is the true leader.
現代においても、道徳は社会の基盤となっています。
Gendai ni oite mo, doutoku wa shakai no kiban to natte imasu.
Even today, morality underpins how society holds together.
Memory Tip
To remember 徳, picture a wise philosopher walking (彳) along a perfectly straight (直) road, guided by a pure heart (心). The left-side radical 彳 shows a figure taking deliberate steps forward. The upper-right 直 (straight/honest) is the moral compass. The bottom 心 (heart) anchors everything — all virtue begins within. The Tokugawa shoguns placed 徳 at the front of their clan name; even rulers were expected to embody it. Straight heart, moving forward = 徳 (virtue).