| 500 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 600 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 572 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 134 | A New Dictionary of Kanji Usage |
| 17 | Classic Nelson (Andrew Nelson) |
| 130 | Essential Kanji (P.G. O’Neill) |
| 104 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 94 | Japanese Names (P.G. O’Neill) |
| 3.18 | Japanese for Busy People |
| 94 | Kanji and Kana (Spahn and Hadamitzky) |
| 94 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 422 | Kanji in Context (Nishiguchi and Kono) |
| 10 | Kodansha Compact Kanji Guide |
| 4242 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2141 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2890 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1225 | Les Kanjis dans la tete (Yves Maniette) |
| 19 | Morohashi |
| 3434 | New Japanese English Character Dictionary (Jack Halpern) |
| 13 | New Nelson (John Haig) |
| 1217 | Remembering The Kanji (James Heisig) |
| 1302 | Remembering The Kanji, 6th edition (James Heisig) |
| 103 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 444 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N4
101 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 不 【フ】 un-, non-, negative prefix
- 不安 【フアン】 anxiety, uneasiness, worry, apprehension, fear, insecurity, suspense
- 意味不 【イミフ】 of uncertain meaning, ambiguous, cryptic, nonsensical, incomprehensible, perplexing
- 社不 【シャフ】 person unfit for society, misfit
- 無 【ブ】 un-, non-, bad ..., poor ...
- 不気味 【ブキミ】 weird, eerie, ominous, creepy, uncanny, unearthly
Readings
- Korean:
- bu, bul
Spanish
- prefijo negativo: in-
- des-
Portuguese
- Prefixo negativo
- negativa
- não
- feia
- ruim
- deselegante
French
- négation
- non
- mauvais
- laid
- maladroit
| 3154 | 2001 Kanji |
| 0a4.2 | The Kanji Dictionary |
| 4-4-1 | SKIP code |
| 3-3-1 | SKIP code |
| 3-2-2 | SKIP code |
| 1090.0 | Four corner code |
| 1-41-52 | JIS X 0208-1997 kuten code |
| 4e0d | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
555 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 離 【リ】 li (one of the trigrams of the I Ching: fire, south)
- 離宮 【リキュウ】 imperial villa, royal villa, detached palace
- 短距離 【タンキョリ】 short distance, short range, short-haul
- 近距離 【キンキョリ】 short distance
Kun reading compounds
- 離れる 【はなれる】 to be separated, to be apart, to be distant, to leave, to go away, to leave (a job, etc.), to quit, to give up, to lose connection with, to drift away from
- 離す 【はなす】 to separate, to part, to divide, to keep apart
Readings
- Korean:
- ri
Spanish
- separarse
- apartarse
- separar
- apartar
Portuguese
- separar
- separação
- digressão
- divagação
French
- séparer
- détacher
- diviser
- s'écarter
| 1897 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 641 | A New Dictionary of Kanji Usage |
| 5040 | Classic Nelson (Andrew Nelson) |
| 909 | Essential Kanji (P.G. O’Neill) |
| 1887 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2889 | Japanese Names (P.G. O’Neill) |
| 1281 | Kanji and Kana (Spahn and Hadamitzky) |
| 1355 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1008 | Kanji in Context (Nishiguchi and Kono) |
| 1857 | Kodansha Compact Kanji Guide |
| 2364 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1195 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1663 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1505 | Les Kanjis dans la tete (Yves Maniette) |
| 42140X | Morohashi |
| 1836 | New Japanese English Character Dictionary (Jack Halpern) |
| 6517 | New Nelson (John Haig) |
| 1492 | Remembering The Kanji (James Heisig) |
| 1605 | Remembering The Kanji, 6th edition (James Heisig) |
| 1923 | Tuttle Kanji Cards (Alexander Kask) |
| 475 | 2001 Kanji |
| 8c10.3 | The Kanji Dictionary |
| 1-11-8 | SKIP code |
| 0041.4 | Four corner code |
| 1-46-05 | JIS X 0208-1997 kuten code |
| 96e2 | Unicode hex code |