- to become or cause to become weak or weaker
WordReference Random House Learner's Dictionary of American English © 2015
weak•en /ˈwikən/USA pronunciation v.WordReference Random House Unabridged Dictionary of American English © 2015
1, 3. enfeeble, debilitate, enervate, undermine, sap, exhaust, deplete, lessen, diminish, lower, reduce, impair, minimize, invalidate. 1, 3. strengthen.
Collins Concise English Dictionary © HarperCollins Publishers::
weaken /ˈwiːkən/ vb
'weaken' also found in these entries: