a. [ad. L. exacerbescent-em, pr. pple. of exacerbescĕre to become angry, f. ex- (see EX- pref.1) + acerb-us harsh, bitter.] Tending to become embittered.
1889. H. F. Wood, Englishman of Rue Caïn, xi. 155. That exacerbescent irritability had been partly assumed.
