strength noun

• physical energy or intensity

  "he hit with all the force he could muster"

  "it was destroyed by the strength of the gale"

  "a government has not the vitality and forcefulness of a living man"
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• capability in terms of personnel and materiel that affect the capacity to fight a war

  "we faced an army of great strength"

  "politicians have neglected our military posture"
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• the property of being physically or mentally strong

  "fatigue sapped his strength"
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