| 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
2264 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 妄想 【モウソウ】 delusion, wild idea, (wild) fancy, (ridiculous) fantasy
- 盲信 【モウシン】 blind acceptance, blind belief, credulity
- 迷妄 【メイモウ】 illusion, fallacy, delusion
- 謬妄 【ビュウモウ】 fallacy, conjecture, baseless thing, random thing
- 妄想 【モウソウ】 delusion, wild idea, (wild) fancy, (ridiculous) fantasy
- 盲信 【モウシン】 blind acceptance, blind belief, credulity
- 狂妄 【キョウボウ】 eccentric, wild, off-kilter, mad
- 誣謗 【フボウ】 slander
Kun reading compounds
- 妄りに 【みだりに】 without authority, without reason, unnecessarily, recklessly, indiscriminately, arbitrarily
Readings
- Korean:
- mang
Spanish
- ilusión
- engaño
- innecesariamente
- arbitrariamente
- sin razón
Portuguese
- desilusão
- desnecessariamente
- sem autoridade
- inconsequente
French
- illusion
- inutile
- sans autorisation
- imprudent
| 1851 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1937 | A New Dictionary of Kanji Usage |
| 288 | Classic Nelson (Andrew Nelson) |
| 1186 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1376 | Kanji and Kana (Spahn and Hadamitzky) |
| 1463 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1696 | Kanji in Context (Nishiguchi and Kono) |
| 424 | Kodansha Compact Kanji Guide |
| 2509 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1273 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1739 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 498 | Les Kanjis dans la tete (Yves Maniette) |
| 6063 | Morohashi |
| 2016 | New Japanese English Character Dictionary (Jack Halpern) |
| 1177 | New Nelson (John Haig) |
| 487 | Remembering The Kanji (James Heisig) |
| 526 | Remembering The Kanji, 6th edition (James Heisig) |
| 1071 | Tuttle Kanji Cards (Alexander Kask) |
| 469 | 2001 Kanji |
| 2j4.6 | The Kanji Dictionary |
| 2-2-4 | SKIP code |
| 0040.4 | Four corner code |
| 1-44-49 | JIS X 0208-1997 kuten code |
| 5984 | Unicode hex code |