weaken
Definitions
To make or become less strong, intense, or effective.
To reduce the physical strength or health of a person or animal.
To diminish the power, influence, or authority of something.
Examples
The heavy rain began to weaken the structural integrity of the old bridge.
Lack of exercise will eventually weaken your muscles over time.
The scandal served to weaken the politician's support among his core voters.
Synonyms
Antonyms
strengthen fortify reinforce invigorate energize bolster harden