EXACERBATION
aggravation, exacerbation
(noun) action that makes a problem or a disease (or its symptoms) worse; “the aggravation of her condition resulted from lack of care”
exacerbation
(noun) violent and bitter exasperation; “his foolishness was followed by an exacerbation of their quarrel”
Source: WordNet® 3.1
Etymology
Noun
exacerbation (usually uncountable, plural exacerbations)
An increase in the severity of something (such as a disease)
Synonyms
• aggravation
Antonyms
• amelioration
Source: Wiktionary
Ex*ac`er*ba"tion n. Etym: [Cf. F. exacerbation.]
1. The act rendering more violent or bitter; the state of being
exacerbated or intensified in violence or malignity; as, exacerbation
of passion.
2. (Med.)
Definition: A periodical increase of violence in a disease, as in remittent
or continious fever; an increased energy of diseased and painful
action.
Source: Webster’s Unabridged Dictionary 1913 Edition