weakener


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weak·en

 (wē′kən)
tr. & intr.v. weak·ened, weak·en·ing, weak·ens
To make or become weak or weaker.

weak′en·er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.weakener - that which weakens or causes a loss of strength; "doubt is a great weakener of resolve"
agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"
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References in periodicals archive ?
However, he ended up behind the first weakener and was pushed even further back as others went about their business.
Korea can serve as a facilitator or a delayer, a weakener or a strengthener, and so on.
You are ruled by both Jupiter, the robust good health-bringer and Neptune, weakener of vitality, so sometimes you get really run down but with a bit of a tonic you bounce back, better than ever.