| 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】 damage 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 |
Jōyō kanji, taught in junior high
JLPT level N1
1280 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 阻止 【ソシ】 obstruction, prevention, hindrance, check, blocking, stopping
- 阻害 【ソガイ】 obstruction, impediment, hindrance, inhibition, blocking, check
- 悪阻 【オソ】 morning sickness, hyperemesis gravidarum
- 妊娠悪阻 【ニンシンオソ】 hyperemesis gravidarum, HG, severe morning sickness
Kun reading compounds
- 阻む 【はばむ】 to keep someone from doing, to stop, to prevent, to check, to hinder, to obstruct, to oppose, to thwart
Readings
- Korean:
- jo
Spanish
- escarpado
- separar
- obstruir
- disuadir
- impedir
Portuguese
- demover
- separar de
- previnir
- obstruir
- deter
- impedir
French
- faire obstacle
- obstruer
- contrarier
- séparer
- dissuader
- empêcher
| 1505 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1377 | A New Dictionary of Kanji Usage |
| 4984 | Classic Nelson (Andrew Nelson) |
| 1767 | Essential Kanji (P.G. O’Neill) |
| 1866 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1085 | Kanji and Kana (Spahn and Hadamitzky) |
| 1135 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1519 | Kanji in Context (Nishiguchi and Kono) |
| 726 | Kodansha Compact Kanji Guide |
| 411 | Kodansha Kanji Dictionary (Jack Halpern) |
| 258 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 308 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1796 | Les Kanjis dans la tete (Yves Maniette) |
| 41593 | Morohashi |
| 348 | New Japanese English Character Dictionary (Jack Halpern) |
| 6434 | New Nelson (John Haig) |
| 1780 | Remembering The Kanji (James Heisig) |
| 1919 | Remembering The Kanji, 6th edition (James Heisig) |
| 1221 | Tuttle Kanji Cards (Alexander Kask) |
| 3673 | 2001 Kanji |
| 2d5.1 | The Kanji Dictionary |
| 1-3-5 | SKIP code |
| 1-2-5 | SKIP code |
| 7721.0 | Four corner code |
| 1-33-43 | JIS X 0208-1997 kuten code |
| 963b | Unicode hex code |