| 1615 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1318 | A New Dictionary of Kanji Usage |
| 803 | Classic Nelson (Andrew Nelson) |
| 1238 | Essential Kanji (P.G. O’Neill) |
| 1776 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 982 | Japanese Names (P.G. O’Neill) |
| 1681 | Kanji and Kana (Spahn and Hadamitzky) |
| 1796 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1764 | Kanji in Context (Nishiguchi and Kono) |
| 1721 | Kodansha Compact Kanji Guide |
| 2586 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1321 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1792 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 55 | Les Kanjis dans la tete (Yves Maniette) |
| 36658 | Morohashi |
| 2083 | New Japanese English Character Dictionary (Jack Halpern) |
| 5768 | New Nelson (John Haig) |
| 55 | Remembering The Kanji (James Heisig) |
| 58 | Remembering The Kanji, 6th edition (James Heisig) |
| 1295 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1389 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 貞 【テイ】 firm adherence to one's principles, chastity (of a woman)
- 貞潔 【テイケツ】 chastity, purity
- シロウト童貞 【シロウトドウテイ】 man who has never had sex except with sex workers
- 不貞 【フテイ】 unfaithfulness, infidelity, unchastity
- 貞永 【ジョウエイ】 Jōei era (1232.4.2-1233.4.15)
- 貞応 【ジョウオウ】 Jōō era (1222.4.13-1224.11.20)
Kun reading compounds
- 貞はる 【さだはる】 to harp too long on a subject
Readings
- Japanese names:
- さざ、 ただし、 りょう
- Korean:
- jeong
Spanish
- recto
- justo
- constante
- casto
Portuguese
- correto
- casto
- constância
- retidão
French
- intègre
- chasteté
- pureté
- vertu
| 1261 | 2001 Kanji |
| 2m7.1 | The Kanji Dictionary |
| 2-2-7 | SKIP code |
| 2-7-2 | SKIP code |
| 2180.6 | Four corner code |
| 1-36-71 | JIS X 0208-1997 kuten code |
| 8c9e | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N2
846 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 永久 【エイキュウ】 eternity, permanence, perpetuity, Eikyū era (1113.7.13-1118.4.3)
- 永遠 【エイエン】 eternity, perpetuity, permanence, immortality
- 永々 【エイエイ】 forever
- 大永 【タイエイ】 Taiei era (1521.8.23-1528.8.20)
Kun reading compounds
- 長い 【ながい】 long (distance, length), long (time), protracted, prolonged
- 長いこと 【ながいこと】 for a long time
Readings
- Japanese names:
- え、 と、 のり、 ひさ、 ひさし
- Korean:
- yeong
Spanish
- eterno
- infinito
- perpetuo
- largo
- prolongado
Portuguese
- eternidade
- ambicionar
French
- éternité
- long
- permanent
| 550 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 644 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 615 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 690 | A New Dictionary of Kanji Usage |
| 130 | Classic Nelson (Andrew Nelson) |
| 560 | Essential Kanji (P.G. O’Neill) |
| 663 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 149 | Japanese Names (P.G. O’Neill) |
| 1207 | Kanji and Kana (Spahn and Hadamitzky) |
| 1270 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1096 | Kanji in Context (Nishiguchi and Kono) |
| 1152 | Kodansha Compact Kanji Guide |
| 2436 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1230 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1695 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 134 | Les Kanjis dans la tete (Yves Maniette) |
| 17088 | Morohashi |
| 1937 | New Japanese English Character Dictionary (Jack Halpern) |
| 3031 | New Nelson (John Haig) |
| 132 | Remembering The Kanji (James Heisig) |
| 139 | Remembering The Kanji, 6th edition (James Heisig) |
| 646 | Tuttle Kanji Cards (Alexander Kask) |
| 342 | 2001 Kanji |
| 3a1.1 | The Kanji Dictionary |
| 2-1-4 | SKIP code |
| 4-5-4 | SKIP code |
| 3023.2 | Four corner code |
| 1-17-42 | JIS X 0208-1997 kuten code |
| 6c38 | Unicode hex code |