[{"Bold_text": "verb (used with object)", "List Items": ["to make weak weakor weaker .Synonyms: invalidate , minimize , impair , reduce , lower , diminish , lessen , deplete , exhaust , sap , undermine , enervate , debilitate , enfeeble Antonyms: strengthen", "Phonetics.to change (a speech sound) to an articulation requiring less effort, as from geminate to nongeminate or from stop to fricative."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become weak weakor weaker .Synonyms: sap , undermine , enervate , debilitate , enfeeble , invalidate , minimize , impair , reduce , lower , diminish , lessen , deplete , exhaust Antonyms: strengthen"]}]