Definition of Aggravating

Adjective: aggravating  'ag-ru,vey-ting

1. Making worse
   "aggravating factors in any movement extend over time";
   - exacerbating, exasperating

1. Make worse
   "This drug aggravates the pain";
   - worsen, exacerbate, exasperate
    
2. Make very annoyed or frustrated
   - exacerbate, exasperate

See also:
aggravates
aggravatingly