exacerbate

ex·ac·er·bate

vt \ig-ˈzas-ər-ˌbāt\

ex·ac·er·bat·edex·ac·er·bat·ing

Definition of EXACERBATE

: to cause (a disease or its symptoms) to become more severe <her condition was exacerbated by lack of care>

—ex·ac·er·ba·tion \-ˌzas-ər-ˈbā-shən\ noun