Exacerbate /(ĕgz*ăs"ẽr*bāt; 277)/

Ex·ac·er·bate

Exacerbate

v. t.

imp. & p. p. Exacerbated; p. pr. & vb. n. Exacerbating

  1. To render more violent or bitter; to irritate; to exasperate; to imbitter, as passions or disease.