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weaken - definition and synonyms


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verb weaken pronunciation in British English /ˈwiːkən/
Word Forms
present tense
present participleweakening
past tenseweakened
past participleweakened
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  1. 1
    [intransitive/transitive] to make someone physically less strong and healthy, or to become less strong and healthy
    Stress can weaken the immune system.
    She began to weaken after running for 8 miles.
    1. a.
      to make a structure more likely to break, or to become more likely to break
      Many buildings had already been weakened by last year’s storms.
  2. 2
    [intransitive/transitive] to make someone or something less powerful or important, or to become less powerful or important
    A peace deal between Israel and Lebanon would have weakened Syria’s influence in the region.
  3. 3
    [transitive] to make someone less determined or less certain
    If your facts are wrong, that’s going to weaken your case.
    weaken someone’s resolve/morale/resistance/spirit: No amount of violence will weaken our resolve.
  4. 4
    [intransitive] if prices weaken, they fall


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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a stupid person

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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