| 770 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 689 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 662 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 616 | A New Dictionary of Kanji Usage |
| 5000 | Classic Nelson (Andrew Nelson) |
| 356 | Essential Kanji (P.G. O’Neill) |
| 988 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1308 | Japanese Names (P.G. O’Neill) |
| 533 | Kanji and Kana (Spahn and Hadamitzky) |
| 542 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 790 | Kanji in Context (Nishiguchi and Kono) |
| 736 | Kodansha Compact Kanji Guide |
| 658 | Kodansha Kanji Dictionary (Jack Halpern) |
| 398 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 495 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1688 | Les Kanjis dans la tete (Yves Maniette) |
| 41721P | Morohashi |
| 542 | New Japanese English Character Dictionary (Jack Halpern) |
| 6456 | New Nelson (John Haig) |
| 1672 | Remembering The Kanji (James Heisig) |
| 1802 | Remembering The Kanji, 6th edition (James Heisig) |
| 731 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N3
707 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 険 【ケン】 steepness, steep place, harsh (look), sharp (tongue)
- 険悪 【ケンアク】 dangerous, perilous, threatening, stormy, volatile, tense, critical, serious, stern (expression), hostile (attitude), sharp, harsh
- 損害保険 【ソンガイホケン】 non-life insurance, general insurance, property and casualty insurance
- 社会保険 【シャカイホケン】 social insurance
Kun reading compounds
- 険しい 【けわしい】 precipitous, rugged, inaccessible, impregnable, steep, grim, severe, stern
- 険しい顔 【けわしいかお】 grim face
Readings
- Korean:
- heom
Spanish
- escarpado
- inaccesible
- peligroso
- difícil
Portuguese
- íngreme
- lugar inacessível
- posição inexpugnável
- lugar escarpado
- olhos agudos
French
- à pic
- escarpé
- raide
- lieu inaccessible
- position imprenable
- regard aiguisé
| 3663 | 2001 Kanji |
| 2d8.8 | The Kanji Dictionary |
| 1-3-8 | SKIP code |
| 7823.6 | Four corner code |
| 1-24-17 | JIS X 0208-1997 kuten code |
| 967a | Unicode hex code |
difficult, impossible, trouble, accident, defect
Jōyō kanji, taught in grade 6
JLPT level N3
330 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 難 【ナン】 difficulty, trouble, hardship, shortage, accident, disaster, danger, fault, defect, flaw, criticism, charge, blame
- 難解 【ナンカイ】 difficult to understand, unintelligible, abstruse
- 至難 【シナン】 most difficult, next to impossible
- 海難 【カイナン】 accident at sea, sea disaster, shipwreck
Kun reading compounds
- 難い 【かたい】 difficult, hard
- 難しい 【むずかしい】 difficult, hard, troublesome, complicated, serious (disease, problem, etc.), impossible, unfeasible, fussy, particular, fastidious, hard to please, displeased, gloomy, glum, sullen, serious (look), dirty, unclean, filthy, detestable, unpleasant, uncomfortable, creepy, spooky
- 難しい顔をする 【むずかしいかおをする】 to look displeased, to frown, to scowl, to look grave, to look serious
- 難しい 【むずかしい】 difficult, hard, troublesome, complicated, serious (disease, problem, etc.), impossible, unfeasible, fussy, particular, fastidious, hard to please, displeased, gloomy, glum, sullen, serious (look), dirty, unclean, filthy, detestable, unpleasant, uncomfortable, creepy, spooky
Readings
- Japanese names:
- な、 なに
- Korean:
- nan, na
Spanish
- desastre
- dificultad
- sufrimiento
- ataque al punto débil
- difícil
- imposible
Portuguese
- impossível
- difícil
- dificuldade
- acidente
- defeito
French
- difficile
- impossible
- problème
- accident
- défaut
| 853 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 960 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 949 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 442 | A New Dictionary of Kanji Usage |
| 5038 | Classic Nelson (Andrew Nelson) |
| 800 | Essential Kanji (P.G. O’Neill) |
| 995 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2760 | Japanese Names (P.G. O’Neill) |
| 557 | Kanji and Kana (Spahn and Hadamitzky) |
| 566 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 526 | Kanji in Context (Nishiguchi and Kono) |
| 1856 | Kodansha Compact Kanji Guide |
| 2310 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1196 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1632 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1594 | Les Kanjis dans la tete (Yves Maniette) |
| 42128P | Morohashi |
| 1838 | New Japanese English Character Dictionary (Jack Halpern) |
| 6515 | New Nelson (John Haig) |
| 1580 | Remembering The Kanji (James Heisig) |
| 1703 | Remembering The Kanji, 6th edition (James Heisig) |
| 351 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 1003 | Tuttle Kanji Cards (Alexander Kask) |
| 1975 | 2001 Kanji |
| 8c10.2 | The Kanji Dictionary |
| 1-10-8 | SKIP code |
| 4051.4 | Four corner code |
| 1-38-81 | JIS X 0208-1997 kuten code |
| 96e3 | Unicode hex code |