Definition of 'weaken'

Verb

1. lessen the strength of; "The fever weakened his body"
      Antonyms: strengthen beef up fortify
2. become weaker; "The prisoner's resistance weakened after seven days"
      Antonyms: strengthen
3. destroy property or hinder normal operations; "The Resistance sabotaged railroad operations during the war"
      Synonyms: sabotage undermine countermine counteract subvert
4. reduce the level or intensity or size or scope of; "de-escalate a crisis"
      Synonyms: de-escalate step down
      Antonyms: escalate intensify step up
5. lessen in force or effect; "soften a shock"; "break a fall"
      Synonyms: dampen damp soften break

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