| 1217 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 914 | A New Dictionary of Kanji Usage |
| 1096 | Classic Nelson (Andrew Nelson) |
| 995 | Essential Kanji (P.G. O’Neill) |
| 1155 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1796 | Japanese Names (P.G. O’Neill) |
| 1289 | Kanji and Kana (Spahn and Hadamitzky) |
| 1363 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1228 | Kanji in Context (Nishiguchi and Kono) |
| 356 | Kodansha Compact Kanji Guide |
| 3502 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1805 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2457 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 861 | Les Kanjis dans la tete (Yves Maniette) |
| 5210 | Morohashi |
| 2823 | New Japanese English Character Dictionary (Jack Halpern) |
| 1038 | New Nelson (John Haig) |
| 853 | Remembering The Kanji (James Heisig) |
| 917 | Remembering The Kanji, 6th edition (James Heisig) |
| 1513 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1049 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 堅 【ケン】 strength, solidity, firmness, armour, armor
- 堅持 【ケンジ】 holding on to, sticking to
- 中堅 【チュウケン】 nucleus, backbone, mainstay, key figure, medium-level, mid-level, middle-ranking, midsize, main body (of troops), crack troops, select troops, center field, centre field, center fielder, centre fielder, athlete competing in the middle-number match in a team competition, i.e. second in 3-on-3, third in 5-on-5 (kendo, judo, etc.)
- 米利堅 【メリケン】 America, American, fist
Kun reading compounds
- 硬い 【かたい】 hard, solid, tough, stiff, tight, wooden, unpolished (e.g. writing), strong, firm (not viscous or easily moved), safe, steady, honest, steadfast, obstinate, stubborn, bookish, formal, stuffy
- 堅い商売 【かたいしょうばい】 sound business
Readings
- Japanese names:
- きん
- Korean:
- gyeon
Spanish
- duro
- sólido
- firme
- apretado
- estricto
Portuguese
- de confiança
- apertado
- duro
- sólido
- firme
- estrito
French
- tenace
- dur
- strict
- solide
- ferme
- fiable
| 3472 | 2001 Kanji |
| 3b9.13 | The Kanji Dictionary |
| 2-9-3 | SKIP code |
| 2-8-3 | SKIP code |
| 7710.4 | Four corner code |
| 1-23-88 | JIS X 0208-1997 kuten code |
| 5805 | Unicode hex code |
faith, truth, fidelity, trust
- On:
- シン
Jōyō kanji, taught in grade 4
JLPT level N3
208 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 信 【シン】 honesty, sincerity, fidelity, trust, reliance, confidence, (religious) faith, devotion, counter for received messages
- 信金 【シンキン】 credit union
- 配信 【ハイシン】 distribution (of information, news, etc.), broadcast, delivery, transmission, streaming (over the Internet)
- 外信 【ガイシン】 external communication
Readings
- Japanese names:
- し、 しが、 しな、 しの、 しぶ、 とき、 のび、 のぶ、 まこと
- Korean:
- sin
Spanish
- confianza
- sinceridad
- información
- verdad
Portuguese
- fé
- verdade
- fidelidade
- confiança
French
- foi
- vérité
- fidélité
- confiance
- communication
| 437 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 544 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 513 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 198 | A New Dictionary of Kanji Usage |
| 454 | Classic Nelson (Andrew Nelson) |
| 149 | Essential Kanji (P.G. O’Neill) |
| 320 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 782 | Japanese Names (P.G. O’Neill) |
| 157 | Kanji and Kana (Spahn and Hadamitzky) |
| 157 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 640 | Kanji in Context (Nishiguchi and Kono) |
| 97 | Kodansha Compact Kanji Guide |
| 115 | Kodansha Kanji Dictionary (Jack Halpern) |
| 75 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 84 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 978 | Les Kanjis dans la tete (Yves Maniette) |
| 707 | Morohashi |
| 100 | New Japanese English Character Dictionary (Jack Halpern) |
| 221 | New Nelson (John Haig) |
| 969 | Remembering The Kanji (James Heisig) |
| 1043 | Remembering The Kanji, 6th edition (James Heisig) |
| 181 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 527 | Tuttle Kanji Cards (Alexander Kask) |
| 2177 | 2001 Kanji |
| 2a7.1 | The Kanji Dictionary |
| 1-2-7 | SKIP code |
| 2026.1 | Four corner code |
| 1-31-14 | JIS X 0208-1997 kuten code |
| 4fe1 | Unicode hex code |