Antonyms of WEAKEN

Examples of usage:

  1. But a mere trifle like a few thousand miles doesn't seem to weaken his influence much. "The Boy With the U. S. Life-Savers" by Francis Rolt-Wheeler
  2. What you have heard does not weaken your love for her? "The Hollow of Her Hand" by George Barr McCutcheon
  3. Satan will tempt for hate's sake to trip up and weaken. "Quiet Talks on Power" by S.D. Gordon
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