Meaning & Definition of Weaken in English

1. Lessen the strength of

• "The fever weakened his body"

2. Become weaker

• "The prisoner's resistance weakened after seven days"

3. Destroy property or hinder normal operations

• "The resistance sabotaged railroad operations during the war"

4. Reduce the level or intensity or size or scope of

• "De-escalate a crisis"

5. Lessen in force or effect

• "Soften a shock"

• "Break a fall"