| 1 | 意志薄弱 (いしはくじゃく) |
| (adj-na,n) weak-willed |
| 2 | 胃弱 (いじゃく) |
| (n) dyspepsia |
| 3 | 強弱 (きょうじゃく) |
| (n) strength |
| 4 | 虚弱 (きょじゃく) |
| (adj-na,n) feebleness |
| 5 | 虚弱児 (きょじゃくじ) |
| (n) physically weak or sickly child |
| 6 | 虚弱体質 (きょじゃくたいしつ) |
| (n) weak constitution |
| 7 | 交通弱者 (こうつうじゃくしゃ) |
| (n) (1) vulnerable road users |
| 8 | 色弱 (しきじゃく) |
| (n) slight color-blindness |
| 9 | 神経衰弱 (しんけいすいじゃく) |
| (n) (1) neurasthenia |
| 10 | 心神耗弱 (しんしんこうじゃく) |
| (n) mental retardation |
| 11 | 心神耗弱者 (しんしんこうじゃくしゃ) |
| (n) mentally retarded person |
| 12 | 心神耗弱 (しんしんもうじゃく) |
| (n) mental retardation |
| 13 | 心神耗弱者 (しんしんもうじゃくしゃ) |
| (n) mentally retarded person |
| 14 | 弱 (じゃく) |
| (n,n-suf) weakness |
| 15 | 弱音 (じゃくおん) |
| (n) soft sound |
| 16 | 弱音器 (じゃくおんき) |
| (n) damper |
| 17 | 弱結合 (じゃくけつごう) |
| (n) weak coupling (physics) |
| 18 | 弱酸 (じゃくさん) |
| (n) weak acid |
| 19 | 弱酸性 (じゃくさんせい) |
| (n) slight acidity |
| 20 | 弱視 (じゃくし) |
| (n) weak sight |
| 21 | 弱志 (じゃくし) |
| (n) weak will |
| 22 | 弱者 (じゃくしゃ) |
| (n) weak person |
| 23 | 弱小 (じゃくしょう) |
| (adj-na,n) puniness |
| 24 | 弱少 (じゃくしょう) |
| (adj-na,n) puniness |
| 25 | 弱小国 (じゃくしょうこく) |
| (n) minor power |
| 26 | 弱震 (じゃくしん) |
| (n) mild earthquake |
| 27 | 弱卒 (じゃくそつ) |
| (n) cowardly soldier |
| 28 | 弱体 (じゃくたい) |
| (adj-na,n) weak (organization, organisation) |
| 29 | 弱体化 (じゃくたいか) |
| (n,vs) weakening |
| 30 | 弱弟 (じゃくてい) |
| (n) young brother |
| 31 | 弱敵 (じゃくてき) |
| (n) weak enemy |
| 32 | 弱点 (じゃくてん) |
| (n) weak point |
| 33 | 弱電 (じゃくでん) |
| (n) weak electric current |
| 34 | 弱電器 (じゃくでんき) |
| (n) light electrical appliance |
| 35 | 弱電線 (じゃくでんせん) |
| (n) weak electrical current line (e.g. intercom) |
| 36 | 弱毒 (じゃくどく) |
| (n) weak poison |
| 37 | 弱毒ワクチン (じゃくどくワクチン) |
| (n) attenuated vaccine |
| 38 | 弱肉強食 (じゃくにくきょうしょく) |
| (n) The survival of the fittest |
| 39 | 弱年 (じゃくねん) |
| (n) youth |
| 40 | 弱年者 (じゃくねんしゃ) |
| (n) youngster |
| 41 | 弱年者 (じゃくねんもの) |
| (n) youngster |
| 42 | 弱輩 (じゃくはい) |
| (n) young person |
| 43 | 弱齢 (じゃくれい) |
| (n) youth |
| 44 | 弱を以て強に当たる (じゃくをもってきょうにあたる) |
| (exp) attacking strength by means of (with) weakness |
| 45 | 衰弱 (すいじゃく) |
| (n,vs) weakness |
| 46 | 精神薄弱 (せいしんはくじゃく) |
| (n) mental retardation |
| 47 | 精神薄弱者 (せいしんはくじゃくしゃ) |
| (n) feeble-minded (weak-minded) person |
| 48 | 精神薄弱児 (せいしんはくじゃくじ) |
| (n) mentally-handicapped (retarded) child |
| 49 | 繊弱 (せんじゃく) |
| (adj-na,n) delicate |
| 50 | 脆弱 (ぜいじゃく) |
| (adj-na,n) frail |
| 51 | 脆弱性 (ぜいじゃくせい) |
| (n) vulnerability |
| 52 | 全身衰弱 (ぜんしんすいじゃく) |
| (n) general prostration |
| 53 | 懦弱 (だじゃく) |
| (adj-na,n) coward |
| 54 | 惰弱 (だじゃく) |
| (adj-na,n) enervated |
| 55 | 軟弱 (なんじゃく) |
| (adj-na,n) weakness |
| 56 | 軟弱外交 (なんじゃくがいこう) |
| (n) weak foreign policy |
| 57 | 軟弱路線 (なんじゃくろせん) |
| (n) weak-hearted approach |
| 58 | 柔弱 (にゅうじゃく) |
| (adj-na,n) weakness |
| 59 | 薄弱 (はくじゃく) |
| (adj-na,n) feebleness |
| 60 | 貧弱 (ひんじゃく) |
| (adj-na,n) poor |
| 61 | 微弱 (びじゃく) |
| (adj-na,n) feeble |
| 62 | 病弱 (びょうじゃく) |
| (adj-na,n) weak constitution |
| 63 | 文弱 (ぶんじゃく) |
| (adj-na,n) (enervating) attraction to books or learning |
| 64 | 勇将弱卒 (ゆうしょうじゃくそつ) |
| (exp) there are no cowardly soldiers under a superior general |
| 65 | 勇将の下に弱卒無し (ゆうしょうのもとにじゃくそつなし) |
| (exp) there are no cowardly soldiers under a superior general |
| 66 | 勇将の下に弱卒なし (ゆうしょうのもとにじゃくそつなし) |
| (exp) there are no cowardly soldiers under a superior general |
| 67 | 幼弱 (ようじゃく) |
| (adj-na,n) young and weak |
| 68 | 羸弱 (るいじゃく) |
| (adj-na,n) weakness |
| 69 | 劣弱 (れつじゃく) |
| (adj-na,n) inferiority |
| 70 | 劣弱意識 (れつじゃくいしき) |
| (n) inferiority complex |
| 71 | 老弱 (ろうじゃく) |
| (n,adj-na) (1) infirmities of old age |