Synonyms: aggravation, exacerbation
Definition: action that makes a problem or a disease (or its symptoms) worse
Usage: the aggravation of her condition resulted from lack of care
Similar words: intensification
Definition: action that makes something stronger or more extreme
Synonyms: aggravation, provocation, irritation
Definition: unfriendly behavior that causes anger or resentment
Similar words: aggression
Definition: deliberately unfriendly behavior
Synonyms: exasperation, aggravation
Definition: an exasperated feeling of annoyance