Antonyms for



Antonyms of verb strengthen

2 of 3 senses of strengthen

Sense 1:
strengthen, beef up, fortify
Antonym of weaken (Sense 1)
=>weaken

Sense 2:
strengthen
Antonym of weaken (Sense 2)
=>weaken

Antonyms of adj strengthened

1 sense of strengthened

Sense 1:
reinforced, strengthened

INDIRECT (VIA strong) -> weak
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