| 1156 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1588 | A New Dictionary of Kanji Usage |
| 4109 | Classic Nelson (Andrew Nelson) |
| 1484 | Essential Kanji (P.G. O’Neill) |
| 1712 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1519 | Japanese Names (P.G. O’Neill) |
| 1572 | Kanji and Kana (Spahn and Hadamitzky) |
| 1678 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1741 | Kanji in Context (Nishiguchi and Kono) |
| 1601 | Kodansha Compact Kanji Guide |
| 4017 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2053 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2778 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 2012 | Les Kanjis dans la tete (Yves Maniette) |
| 32708 | Morohashi |
| 3237 | New Japanese English Character Dictionary (Jack Halpern) |
| 5269 | New Nelson (John Haig) |
| 1993 | Remembering The Kanji (James Heisig) |
| 2148 | Remembering The Kanji, 6th edition (James Heisig) |
| 1481 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1454 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 虚 【キョ】 unpreparedness, falsehood, Chinese "Emptiness" constellation (one of the 28 mansions)
- 虚偽 【キョギ】 falsehood, untruth, lie, misinformation, fallacy
- 盈虚 【エイキョ】 waxing and waning (of the moon), phase, rising and falling (of fortune)
- 太虚 【タイキョ】 the sky, the heavens, Great Void (in ancient Chinese philosophy, the primordial substance that gives rise to qi)
- 虚偽 【キョギ】 falsehood, untruth, lie, misinformation, fallacy
- 虚空 【コクウ】 empty space, empty sky
Kun reading compounds
- 虚しい 【むなしい】 empty, void, vacant, vain, fruitless, futile, ineffective, lifeless
- 虚ろ 【うつろ】 cavity, hollow, void, hollow (voice, smile, etc.), blank (eyes, look, etc.), vacant (expression, stare, etc.), empty (words, heart, etc.)
- 虚舟 【うつろぶね】 unidentified craft said to have washed ashore in Ibaraki Prefecture during the Edo period (sometimes alleged to have been a UFO)
Readings
- Korean:
- heo
Spanish
- vacío
- vano
- hueco
Portuguese
- vazio
- vacuidade
- despreparo
- abertura
- fissura
- falsidade
French
- vide
- impréparation
- craquelure
- fissure
- contre-vérité
| 1274 | 2001 Kanji |
| 2m9.1 | The Kanji Dictionary |
| 3-4-7 | SKIP code |
| 3-6-5 | SKIP code |
| 2121.2 | Four corner code |
| 1-21-85 | JIS X 0208-1997 kuten code |
| 865a | 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 |