What does aggravate mean?
The definition of aggravate
Ag”gra*vate, v. t.
[imp. & p. p. Aggravated; p. pr. & vb. n.Aggravating.]
Etym: [L. aggravatus, p. p. of aggravare. See Aggrieve.]

1 To make heavy or heavier; to add to; to increase. [Obs.] “To aggravate thy store.” Shak.
2 To make worse, or more severe; to render less tolerable or less excusable; to make more offensive; to enhance; to intensify. “To aggravate my woes.” Pope. To aggravate the horrors of the scene. Prescott. The defense made by the prisioner’s counsel did rather aggravate than extenuate his crime. Addison.
3 To give coloring to in description; to exaggerate; as, to aggravate circumstances. Paley.
4 To exasperate; to provoke; to irritate. [Colloq.] If both were to aggravate her parents, as my brother and sister do mine. Richardson (Clarissa).

Synonyms
— To heighten; intensify; increase; magnify; exaggerate; provoke; irritate; exasperate.