| 775 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 693 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 667 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 533 | A New Dictionary of Kanji Usage |
| 2637 | Classic Nelson (Andrew Nelson) |
| 610 | Essential Kanji (P.G. O’Neill) |
| 694 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 715 | Kanji and Kana (Spahn and Hadamitzky) |
| 728 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 430 | Kanji in Context (Nishiguchi and Kono) |
| 1219 | Kodansha Compact Kanji Guide |
| 733 | Kodansha Kanji Dictionary (Jack Halpern) |
| 436 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 548 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 372 | Les Kanjis dans la tete (Yves Maniette) |
| 17759 | Morohashi |
| 601 | New Japanese English Character Dictionary (Jack Halpern) |
| 3249 | New Nelson (John Haig) |
| 366 | Remembering The Kanji (James Heisig) |
| 391 | Remembering The Kanji, 6th edition (James Heisig) |
| 753 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 5
JLPT level N2
261 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 減 【ゲン】 reduction, decrease, subtraction, reduction of penalty (under the ritsuryō codes)
- 減員 【ゲンイン】 reduction of staff
- 増減 【ゾウゲン】 increase and decrease, fluctuation
- 軽減 【ケイゲン】 abatement, reduction
Kun reading compounds
- 減る 【へる】 to decrease (in size or number), to diminish, to abate
- 減るもんじゃない 【へるもんじゃない】 it's no big deal, it's nothing to fret about, it's not like it's the end of the world
- 減らす 【へらす】 to abate, to decrease, to diminish, to shorten
Readings
- Korean:
- gam
Spanish
- menguar
- decrecer
- disminuir
- resta
- acortar
Portuguese
- definhar
- decréscimo
- reduzir
- decadência
- encurtar
- obter
- com fome
French
- diminuer
- réduire
- décliner
- décroître
- avoir faim
| 359 | 2001 Kanji |
| 3a9.37 | The Kanji Dictionary |
| 1-3-9 | SKIP code |
| 3315.0 | Four corner code |
| 1-24-26 | JIS X 0208-1997 kuten code |
| 6e1b | Unicode hex code |
Jōyō kanji, taught in grade 2
JLPT level N2
958 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 弱 【ジャク】 a little less than, a little under, slightly fewer than, weakness, the weak, low (setting), -lower (seismic intensity)
- 弱者 【ジャクシャ】 weak person, the weak, vulnerable person, disadvantaged person
- 精神薄弱 【セイシンハクジャク】 feeble-mindedness, intellectual disability
- 薄弱 【ハクジャク】 feebleness, weakness, weak
Kun reading compounds
- 弱い 【よわい】 weak, frail, delicate, tender, unskilled, weak (wine)
- 弱い経済 【よわいけいざい】 weak economy
- 弱る 【よわる】 to weaken, to grow weak, to wane, to decline (of one's health), to be downcast, to be dejected, to be dispirited, to be troubled, to be at a loss, to be perplexed, to be annoyed
- 弱まる 【よわまる】 to abate, to weaken, to be emaciated, to be dejected, to be perplexed
- 弱める 【よわめる】 to weaken
Readings
- Korean:
- yag
Spanish
- débil
- endeble
- delicado
- debilitarse
- debilitar
Portuguese
- frágil
- fraco
French
- faible
- fragile
| 236 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 154 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 138 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 819 | A New Dictionary of Kanji Usage |
| 650 | Classic Nelson (Andrew Nelson) |
| 595 | Essential Kanji (P.G. O’Neill) |
| 169 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1647 | Japanese Names (P.G. O’Neill) |
| 218 | Kanji and Kana (Spahn and Hadamitzky) |
| 218 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 112 | Kanji in Context (Nishiguchi and Kono) |
| 610 | Kodansha Compact Kanji Guide |
| 1499 | Kodansha Kanji Dictionary (Jack Halpern) |
| 792 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1080 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1244 | Les Kanjis dans la tete (Yves Maniette) |
| 9791P | Morohashi |
| 1167 | New Japanese English Character Dictionary (Jack Halpern) |
| 1692 | New Nelson (John Haig) |
| 1236 | Remembering The Kanji (James Heisig) |
| 1323 | Remembering The Kanji, 6th edition (James Heisig) |
| 196 | Tuttle Kanji Cards (Alexander Kask) |
| 3553 | 2001 Kanji |
| 3h7.2 | The Kanji Dictionary |
| 1-5-5 | SKIP code |
| 1712.7 | Four corner code |
| 1-28-69 | JIS X 0208-1997 kuten code |
| 5f31 | Unicode hex code |