| term | pronunciation | English |
|---|
| 体が弱い | からだがよわい | to have a weak constitution |
| 弱る | よわる | to grow weak, to weaken |
| 弱まる | よわまる | to weaken, to abate |
| 弱い | よわい | weak, frail, delicate, tender, unskilled, weak |
| 気が弱い | きがよわい | do not have the courage |
| 弱点 | じゃくてん | a weakness, a weak point, a shortcoming |
| 弱まり | よわまり | abatement, weakening |
| 弱み | よわみ | weakness |
| 弱める | よわめる | to weaken |
| 弱体 | じゃくたい | weak (organization, organisation) |
| 弱含み | よわふくみ | bearish (stock market) |
| 弱気 | よわき | timid, faint-hearted, bearish sentiment |
| 弱者 | じゃくしゃ | weak person, the weak |
| 弱腰 | よわごし | weak attitude |
| 弱震 | じゃくしん | mild earthquake |
| 心神耗弱 | しんしんもうじゃく, しんしんこうじゃく | mental retardation, unsound mind |
| 心神耗弱者 | しんしんもうじゃくしゃ, しんしんこうじゃくしゃ | mentally retarded person, feebleminded person |
| 惰弱 | だじゃく | enervated, effete, effeminate |
| 精神薄弱 | せいしんはくじゃく | mental retardation, mentally retarded |
| 虚弱 | きょじゃく | feebleness, weakness, imbecility |
| 衰弱 | すいじゃく | weakness, debility, breakdown, prostration |
| 貧弱 | ひんじゃく | poor, meagre, meager, insubstantial |
| 軟弱 | なんじゃく | weakness |