noun, na-adjective
weakness; feebleness; lack of strength
Describes something that is weak, insufficient, or lacking in substance, such as an argument, evidence, willpower, or physical constitution. Often used in formal or critical contexts.
彼の主張は根拠が薄弱だ。
His argument is based on weak evidence.
意志薄
People with weak willpower easily give in to temptation.