| 1032 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1920 | A New Dictionary of Kanji Usage |
| 664 | Classic Nelson (Andrew Nelson) |
| 1883 | Essential Kanji (P.G. O’Neill) |
| 1087 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1893 | Kanji and Kana (Spahn and Hadamitzky) |
| 2069 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1922 | Kanji in Context (Nishiguchi and Kono) |
| 173 | Kodansha Compact Kanji Guide |
| 4294 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2170 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2924 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 33 | Les Kanjis dans la tete (Yves Maniette) |
| 1810 | Morohashi |
| 3482 | New Japanese English Character Dictionary (Jack Halpern) |
| 444 | New Nelson (John Haig) |
| 33 | Remembering The Kanji (James Heisig) |
| 33 | Remembering The Kanji, 6th edition (James Heisig) |
| 1039 | Tuttle Kanji Cards (Alexander Kask) |
凹
Jōyō kanji, taught in junior high
JLPT level N1
2206 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 凹 【オウ】 concave, hollow, sunken
- 凹凸 【オウトツ】 unevenness, bumpiness, roughness, ruggedness, imbalance, inequality, unevenness, disparity
- 肋凹 【ロクオウ】 costal fovea
Kun reading compounds
- 窪む 【くぼむ】 to cave in, to become depressed, to sink
- 凹む 【へこむ】 to be dented, to be indented, to yield, to give, to sink, to collapse, to cave in, to be beaten, to be overwhelmed, to yield, to give in, to give up, to be disheartened, to feel down, to feel depressed, to suffer a loss, to lose
- 発達凸凹 【はったつでこぼこ】 developmental irregularities, developmental disorder, neurodiversity
- 穴ぼこ 【あなぼこ】 hole, hollow, pothole (road, pavement, etc.)
Readings
- Korean:
- yo
Spanish
- hueco
- cóncavo
- hundido
Portuguese
- côncavo
- concavidade
- afundado
French
- concave
- creux
- dépression
| 3675 | 2001 Kanji |
| 0a5.14 | The Kanji Dictionary |
| 4-5-1 | SKIP code |
| 4-6-1 | SKIP code |
| 4-4-1 | SKIP code |
| 7777.0 | Four corner code |
| 1-17-90 | JIS X 0208-1997 kuten code |
| 51f9 | Unicode hex code |
Jōyō kanji, taught in grade 5
JLPT level N1
1527 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 眼 【ガン】 eye, insight, vision, power of observation, gist, main point, hole
- 眼科 【ガンカ】 ophthalmology
- 主眼 【シュガン】 main purpose, chief aim, focus, main point, gist, essence
- 象嵌 【ゾウガン】 inlay, inlaying, damascening
- 慈眼 【ジゲン】 merciful eye (of a Buddha or a bodhisattva watching humanity)
- 開眼 【カイガン】 enlightenment, spiritual awakening, opening one's eyes to the truth, reaching one's peak (as a performer, etc.), reaching the highest echelons, gaining eyesight, restoring eyesight, opening the eyes, filling out the eyes (of a Buddha) as the last step of consecrating a new statue or picture, ceremony where a newly made image or idol is consecrated
Kun reading compounds
- 眼 【まなこ】 eye, eyeball, pupil and (dark) iris of the eye, insight, perceptivity, power of observation, look, field of vision, core, center, centre, essence
- 血眼 【ちまなこ】 bloodshot eyes, (doing something in a) frenzy
- 百眼 【ひゃくまなこ】 using multiple simple paper masks to represent different emotions in a play (from the middle of the Edo period), simple paper mask
- 目 【め】 eye, eyeball, eyesight, sight, vision, look, stare, gaze, glance, notice, attention, observation, eyes (of the world, public, etc.), an experience, viewpoint, discrimination, discernment, judgement, eye (e.g. for quality), (an) appearance, chance (of success), possibility (of a good result), spacing (between crossed strands of a net, mesh, etc.), opening, stitch, texture, weave, grain (of wood, paper), eye (of a storm, needle, etc.), intersection (on a go board), square (on a chessboard), dot (on a dice), pip, rolled number, graduation, division (of a scale), tooth (of a saw, comb, etc.), ordinal number suffix, somewhat, -ish, point (e.g. of change)
- 眼鏡 【めがね】 glasses, eyeglasses, spectacles, judgment, judgement, discrimination, discernment, insight
- 血眼 【ちまなこ】 bloodshot eyes, (doing something in a) frenzy
- 遠目 【とおめ】 distant view, looking from a distance, being able to see a long distance, good long-distance vision, farsightedness
Readings
- Korean:
- an
Spanish
- ojo
- vista
- perspicacia
- punto principal
Portuguese
- globo ocular
French
- globe oculaire
| 754 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 669 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 640 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1127 | A New Dictionary of Kanji Usage |
| 3140 | Classic Nelson (Andrew Nelson) |
| 674 | Essential Kanji (P.G. O’Neill) |
| 1561 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1637 | Japanese Names (P.G. O’Neill) |
| 848 | Kanji and Kana (Spahn and Hadamitzky) |
| 867 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 976 | Kanji in Context (Nishiguchi and Kono) |
| 1387 | Kodansha Compact Kanji Guide |
| 1504 | Kodansha Kanji Dictionary (Jack Halpern) |
| 796 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1084 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1479 | Les Kanjis dans la tete (Yves Maniette) |
| 23318 | Morohashi |
| 1172 | New Japanese English Character Dictionary (Jack Halpern) |
| 3935 | New Nelson (John Haig) |
| 1467 | Remembering The Kanji (James Heisig) |
| 1577 | Remembering The Kanji, 6th edition (James Heisig) |
| 725 | Tuttle Kanji Cards (Alexander Kask) |
| 3965 | 2001 Kanji |
| 5c6.1 | The Kanji Dictionary |
| 1-5-6 | SKIP code |
| 6703.2 | Four corner code |
| 1-20-67 | JIS X 0208-1997 kuten code |
| 773c | Unicode hex code |