| 1888 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1524 | A New Dictionary of Kanji Usage |
| 5049 | Classic Nelson (Andrew Nelson) |
| 1204 | Essential Kanji (P.G. O’Neill) |
| 1889 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2026 | Japanese Names (P.G. O’Neill) |
| 952 | Kanji and Kana (Spahn and Hadamitzky) |
| 982 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 843 | Kanji in Context (Nishiguchi and Kono) |
| 1863 | Kodansha Compact Kanji Guide |
| 3466 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1785 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2432 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 432 | Les Kanjis dans la tete (Yves Maniette) |
| 42245 | Morohashi |
| 2791 | New Japanese English Character Dictionary (Jack Halpern) |
| 6525 | New Nelson (John Haig) |
| 425 | Remembering The Kanji (James Heisig) |
| 454 | Remembering The Kanji, 6th edition (James Heisig) |
| 1685 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1491 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 雷 【カミナリ】 lightning, thunder, thunderbolt, god of thunder, god of lightning, anger, fit of anger
- 雷雨 【ライウ】 thunderstorm
- 機雷 【キライ】 (sea) mine
- 界雷 【カイライ】 frontal thunderstorm
Kun reading compounds
- 雷 【かみなり】 lightning, thunder, thunderbolt, god of thunder, god of lightning, anger, fit of anger
- 雷雲 【らいうん】 thundercloud
- 水雷 【みずがみなり】 thunder accompanied by rain, lightning that does not start a fire
- 日雷 【ひがみなり】 thunder on a clear day, lightning that starts a fire
- 雷 【かみなり】 lightning, thunder, thunderbolt, god of thunder, god of lightning, anger, fit of anger
- 雷雲 【らいうん】 thundercloud
- 雷 【かみなり】 lightning, thunder, thunderbolt, god of thunder, god of lightning, anger, fit of anger
Readings
- Korean:
- roe
Spanish
- trueno
- relámpago
- rayo
Portuguese
- trovão
- raio
French
- tonnerre
- foudre
| 3176 | 2001 Kanji |
| 8d5.1 | The Kanji Dictionary |
| 2-8-5 | SKIP code |
| 1060.1 | Four corner code |
| 1060.3 | Four corner code |
| 1-45-75 | JIS X 0208-1997 kuten code |
| 96f7 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1195 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 竜 【リュウ】 dragon (esp. a Chinese dragon), naga, semi-divine human-cobra chimera in Hindu and Buddhist mythology, promoted rook
- 竜王 【リュウオウ】 Dragon King, promoted rook
- 鎧竜 【ガイリュウ】 ankylosaur (any dinosaur of infraorder Ankylosauria)
- 青龍 【セイリョウ】 blue dragon (an auspicious creature in Chinese mythology), Azure Dragon (god said to rule over the eastern heavens)
- 竜 【リュウ】 dragon (esp. a Chinese dragon), naga, semi-divine human-cobra chimera in Hindu and Buddhist mythology, promoted rook
- 竜駕 【リョウガ】 imperial carriage
- 青龍 【セイリョウ】 blue dragon (an auspicious creature in Chinese mythology), Azure Dragon (god said to rule over the eastern heavens)
- 蛟竜 【コウリョウ】 mizuchi, aquatic, dragon-like beast with four feet, horns and poisonous breath, unfulfilled genius, dormant talent
Kun reading compounds
- 竜 【りゅう】 dragon (esp. a Chinese dragon), naga, semi-divine human-cobra chimera in Hindu and Buddhist mythology, promoted rook
- 竜巻 【たつまき】 tornado, whirlwind, waterspout, twister
- 伊勢海老 【いせえび】 spiny lobster (esp. Japanese spiny lobster, Panulirus japonicus)
Readings
- Japanese names:
- りう
- Korean:
- ryong, nong
Spanish
- dragón
Portuguese
- dragão imperial
French
- dragon
- impérial
| 1899 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1110 | A New Dictionary of Kanji Usage |
| 5440 | Classic Nelson (Andrew Nelson) |
| 1992 | Essential Kanji (P.G. O’Neill) |
| 1600 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1199 | Japanese Names (P.G. O’Neill) |
| 1758 | Kanji and Kana (Spahn and Hadamitzky) |
| 1886 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1867 | Kanji in Context (Nishiguchi and Kono) |
| 1930 | Kodansha Compact Kanji Guide |
| 2603 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1332 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1805 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 542 | Les Kanjis dans la tete (Yves Maniette) |
| 25751 | Morohashi |
| 2099 | New Japanese English Character Dictionary (Jack Halpern) |
| 4232 | New Nelson (John Haig) |
| 536 | Remembering The Kanji (James Heisig) |
| 575 | Remembering The Kanji, 6th edition (James Heisig) |
| 1406 | Tuttle Kanji Cards (Alexander Kask) |
| 456 | 2001 Kanji |
| 5b5.3 | The Kanji Dictionary |
| 2-2-8 | SKIP code |
| 2-5-5 | SKIP code |
| 0071.6 | Four corner code |
| 1-46-21 | JIS X 0208-1997 kuten code |
| 7adc | Unicode hex code |