| 729 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 623 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 593 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 117 | A New Dictionary of Kanji Usage |
| 4274 | Classic Nelson (Andrew Nelson) |
| 262 | Essential Kanji (P.G. O’Neill) |
| 887 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1218 | Japanese Names (P.G. O’Neill) |
| 3.16 | Japanese for Busy People |
| 419 | Kanji and Kana (Spahn and Hadamitzky) |
| 425 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 424 | Kanji in Context (Nishiguchi and Kono) |
| 1639 | Kodansha Compact Kanji Guide |
| 3263 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1683 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2290 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1618 | Les Kanjis dans la tete (Yves Maniette) |
| 34768P | Morohashi |
| 2635 | New Japanese English Character Dictionary (Jack Halpern) |
| 5515 | New Nelson (John Haig) |
| 1604 | Remembering The Kanji (James Heisig) |
| 1730 | Remembering The Kanji, 6th edition (James Heisig) |
| 78 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 536 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N3
106 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 要 【ヨウ】 main point, essential point, important thing, necessity, need, requirement
- 要因 【ヨウイン】 main cause, primary factor
- 所要 【ショヨウ】 required, needed, necessary
- 法要 【ホウヨウ】 Buddhist memorial service
Kun reading compounds
- 要る 【いる】 to be needed, to be necessary, to be required, to be wanted, to need, to want
- 要 【かなめ】 pivot, vital point, cornerstone, keystone, Japanese photinia
- 要石 【かなめいし】 keystone
Readings
- Japanese names:
- とし
- Korean:
- yo
Spanish
- necesidad
- punto central
- esencia
- necesitar
Portuguese
- necessidade
- ponto principal
- essência
- pivô
- chave para
French
- besoin
- point principal
- pivot
- essentiel
- point clef
| 3269 | 2001 Kanji |
| 3e6.11 | The Kanji Dictionary |
| 2-6-3 | SKIP code |
| 1040.4 | Four corner code |
| 1-45-55 | JIS X 0208-1997 kuten code |
| 8981 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
972 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 衝 【ショウ】 important point (e.g. on a route), important role (responsibility, etc.), opposition
- 衝撃 【ショウゲキ】 impact, shock, impulse, (psychological) shock
- 要衝 【ヨウショウ】 important point, strategic position, key point
- 緩衝 【カンショウ】 shock absorption, buffer action, cushioning, buffer
Kun reading compounds
- 突く 【つく】 to prick, to stab, to poke, to prod, to push, to thrust, to nudge, to hit, to strike, to use (a cane), to prop oneself up with, to press against (the floor, etc.), to attack, to brave (the rain, etc.)
- 衝羽根 【つくばね】 Buckleya lanceolata (species of parasitic deciduous shrub)
Readings
- Korean:
- chung
Spanish
- avenida
- lugar importante
- punto clave
- chocar
Portuguese
- colidir
- o mais forte
- rodovia
- oposição (astronomia)
- atravessar
- furar
- apunhalar
- picar
French
- collision
- choc
- route principale
- opposition (astronomie)
- point clé
- percer
- poignarder
- piquer
| 1411 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 918 | A New Dictionary of Kanji Usage |
| 1638 | Classic Nelson (Andrew Nelson) |
| 1117 | Essential Kanji (P.G. O’Neill) |
| 1723 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2264 | Japanese Names (P.G. O’Neill) |
| 1772 | Kanji and Kana (Spahn and Hadamitzky) |
| 1904 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1388 | Kanji in Context (Nishiguchi and Kono) |
| 1616 | Kodansha Compact Kanji Guide |
| 893 | Kodansha Kanji Dictionary (Jack Halpern) |
| 509 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 658 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1696 | Les Kanjis dans la tete (Yves Maniette) |
| 34069 | Morohashi |
| 725 | New Japanese English Character Dictionary (Jack Halpern) |
| 1772 | New Nelson (John Haig) |
| 1680 | Remembering The Kanji (James Heisig) |
| 1811 | Remembering The Kanji, 6th edition (James Heisig) |
| 1759 | Tuttle Kanji Cards (Alexander Kask) |
| 2053 | 2001 Kanji |
| 3i12.1 | The Kanji Dictionary |
| 1-3-12 | SKIP code |
| 2122.1 | Four corner code |
| 2110.4 | Four corner code |
| 1-30-55 | JIS X 0208-1997 kuten code |
| 885d | Unicode hex code |