Weakener

weaken

[wee-kuhn]
verb (used with object)
1.
to make weak or weaker.
2.
Phonetics. to change (a speech sound) to an articulation requiring less effort, as from geminate to nongeminate or from stop to fricative.
verb (used without object)
3.
to become weak or weaker.

Origin:
1520–30; weak + -en1

weakener, noun
reweaken, verb
unweakened, adjective
unweakening, adjective


1, 3. enfeeble, debilitate, enervate, undermine, sap, exhaust, deplete, lessen, diminish, lower, reduce, impair, minimize, invalidate.


1, 3. strengthen.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
weaken (ˈwiːkən)
 
vb
to become or cause to become weak or weaker
 
'weakener
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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