| 1671 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1731 | A New Dictionary of Kanji Usage |
| 4830 | Classic Nelson (Andrew Nelson) |
| 1388 | Essential Kanji (P.G. O’Neill) |
| 975 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1943 | Japanese Names (P.G. O’Neill) |
| 966 | Kanji and Kana (Spahn and Hadamitzky) |
| 997 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1372 | Kanji in Context (Nishiguchi and Kono) |
| 1811 | Kodansha Compact Kanji Guide |
| 2123 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1108 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1507 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1509 | Les Kanjis dans la tete (Yves Maniette) |
| 40219 | Morohashi |
| 1689 | New Japanese English Character Dictionary (Jack Halpern) |
| 6235 | New Nelson (John Haig) |
| 1495 | Remembering The Kanji (James Heisig) |
| 1611 | Remembering The Kanji, 6th edition (James Heisig) |
| 1597 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N2
1574 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 鈍 【ドン】 dull, slow, stupid, dull-brained
- 鈍化 【ドンカ】 becoming dull, slowing down
- 焼鈍 【ショウドン】 annealing
- 愚鈍 【グドン】 stupid, dim-witted, dense, dull, obtuse, slow
Kun reading compounds
- 鈍い 【にぶい】 dull (e.g. a knife), blunt, thickheaded, obtuse, stupid, dull (sound, color, etc.), dim (light), slow, sluggish, inert, lethargic, insensitive, dull (e.g. reflexes), unperceptive, unfeeling
- 鈍い音 【にぶいおと】 dull sound, muffled sound
- 鈍る 【にぶる】 to become blunt, to grow dull, to become less capable, to weaken, to falter
- 鈍る 【にぶる】 to become blunt, to grow dull, to become less capable, to weaken, to falter
- 鈍ら 【なまくら】 blunt (e.g. sword), dull, lazy, cowardly, good for nothing
Readings
- Korean:
- dun
Spanish
- torpe
- pesado
- embotado
- obtuso
- embotarse
- atascarse
Portuguese
- tolo
- lento
- estúpido
- embotado
- sem corte
French
- émoussé
- lent
- bête
| 2856 | 2001 Kanji |
| 8a4.2 | The Kanji Dictionary |
| 1-8-4 | SKIP code |
| 8511.7 | Four corner code |
| 1-38-63 | JIS X 0208-1997 kuten code |
| 920d | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N4
491 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 音 【オン】 sound, noise, (speech) sound, Chinese-derived reading of a kanji
- 音楽 【オンガク】 music
- 爆音 【バクオン】 (sound of an) explosion or detonation, roar (of a machine)
- 防音 【ボウオン】 soundproofing
- 音信 【オンシン】 correspondence, news, letter, tidings
- 鸚哥 【インコ】 true parrot (esp. small parrots such as the parakeet, lory and conure)
- 玉音 【ギョクオン】 the Emperor's voice, beautiful voice, beautiful sound
- 唐音 【トウオン】 tō-on, Tang reading, on reading of a kanji based on Song dynasty and later Chinese
Kun reading compounds
- 音 【おと】 sound, noise, (musical) note, fame
- 音孔 【おとあな】 tone hole
- 鈍い音 【にぶいおと】 dull sound, muffled sound
- 風音 【かざおと】 sound of the wind
- 音 【ね】 sound, tone, note, ring, chirp
- 音色 【ねいろ】 tone color, tone colour, tone quality, timbre
- 弱音 【よわね】 feeble complaint, whine
- 高音 【こうおん】 high-pitched tone, soprano
Readings
- Japanese names:
- お、 と
- Korean:
- eum
Spanish
- sonido
- ruido
Portuguese
- som
- barulho
French
- son
- bruit
| 50 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 33 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 6 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 402 | A New Dictionary of Kanji Usage |
| 5110 | Classic Nelson (Andrew Nelson) |
| 206 | Essential Kanji (P.G. O’Neill) |
| 274 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 962 | Japanese Names (P.G. O’Neill) |
| 3.18 | Japanese for Busy People |
| 347 | Kanji and Kana (Spahn and Hadamitzky) |
| 347 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 620 | Kanji in Context (Nishiguchi and Kono) |
| 1879 | Kodansha Compact Kanji Guide |
| 2570 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1312 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1783 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 490 | Les Kanjis dans la tete (Yves Maniette) |
| 43265 | Morohashi |
| 2070 | New Japanese English Character Dictionary (Jack Halpern) |
| 6607 | New Nelson (John Haig) |
| 479 | Remembering The Kanji (James Heisig) |
| 518 | Remembering The Kanji, 6th edition (James Heisig) |
| 78 | Tuttle Kanji Cards (Alexander Kask) |
| 478 | 2001 Kanji |
| 5b4.3 | The Kanji Dictionary |
| 2-2-7 | SKIP code |
| 2-5-4 | SKIP code |
| 0060.1 | Four corner code |
| 1-18-27 | JIS X 0208-1997 kuten code |
| 97f3 | Unicode hex code |