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.
His argument is based on weak evidence.
People with weak willpower easily give in to temptation.
His argument has weak grounds and lacks persuasive power.
This paper's logic is weak, and the conclusion is unpersuasive.