| 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 junior high
JLPT level N1
1073 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 甲 【コウ】 carapace, shell, 1st in rank, grade A, instep, back of hand, the A party (e.g. in a contract), the first party, plaintiff (label in legal documents)
- 甲状腺 【コウジョウセン】 thyroid (gland)
- 装甲 【ソウコウ】 armoring, armouring, armor, armour
- 亀甲 【キッコウ】 tortoise shell
- 甲 【カン】 treble range (in Japanese music), high note
- 甲板 【カンパン】 deck (of a ship)
Kun reading compounds
- 甲 【きのえ】 first sign of the Chinese calendar
- 甲戌 【きのえいぬ】 Wood Dog (11th term of the sexagenary cycle, e.g. 1934, 1994, 2054)
Readings
- Japanese names:
- かぶと、 き、 まさ、 まさる
- Korean:
- gab
Spanish
- caparazón
- armadura
- voz alta
- primero
Portuguese
- armadura
- alto (voz)
- Um grau
- umterior
- peito do pé
- carapaça
French
- armure
- carapace
- haute (voix)
- premier ordre
- première classe
- ancien
- cou-de-pied
- signe du 1er tronc céleste
| 1243 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1071 | A New Dictionary of Kanji Usage |
| 92 | Classic Nelson (Andrew Nelson) |
| 1082 | Essential Kanji (P.G. O’Neill) |
| 1540 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 184 | Japanese Names (P.G. O’Neill) |
| 982 | Kanji and Kana (Spahn and Hadamitzky) |
| 1016 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1816 | Kanji in Context (Nishiguchi and Kono) |
| 1331 | Kodansha Compact Kanji Guide |
| 4293 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2169 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2923 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1122 | Les Kanjis dans la tete (Yves Maniette) |
| 21725 | Morohashi |
| 3481 | New Japanese English Character Dictionary (Jack Halpern) |
| 3725 | New Nelson (John Haig) |
| 1113 | Remembering The Kanji (James Heisig) |
| 1194 | Remembering The Kanji, 6th edition (James Heisig) |
| 1053 | Tuttle Kanji Cards (Alexander Kask) |
| 3655 | 2001 Kanji |
| 0a5.34 | The Kanji Dictionary |
| 4-5-1 | SKIP code |
| 6050.0 | Four corner code |
| 1-25-35 | JIS X 0208-1997 kuten code |
| 7532 | Unicode hex code |