Verb
To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to weaken the body or the mind; to weaken the hands of a magistrate; to weaken the force of an objection or an argument.
To reduce in quality, strength, or spirit; as, to weaken tea; to weaken any solution or decoction.
To become weak or weaker; to lose strength, spirit, or determination; to become less positive or resolute; as, the patient weakened; the witness weakened on cross-examination.
Source: Webster's dictionaryIt is unwise to be too sure of one's own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err. Mahatma Gandhi
A woman should soften but not weaken a man. Sigmund Freud
Useless laws weaken the necessary laws. Montesquieu
As soon as you concern yourself with the 'good' and 'bad' of your fellows, you create an opening in your heart for maliciousness to enter. Testing, competing with, and criticizing others weaken and defeat you. Morihei Ueshiba
Do not weaken the attention of him who is occupied. Egyptian Proverb
Every time you forgive a man you weaken him and strengthen yourself. American Proverb