exacerbate
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1. trans. To increase the smart of (a pain), the virulence of
(disease), the bitterness of (feeling, speech, etc.); to embitter,
aggravate. Also, to embitter or sour the feelings of (a person); to
irritate, provoke.

    2. intr. for refl.

    Hence e{sm}xacerbated ppl. a.