Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class VI. Words Relating to the Sentient and Moral Powers
Section II. Personal Affections
1. Passive Affections

835. Aggravation.

   NOUN:AGGRAVATION, heightening; exacerbation; exasperation; overestimation [See Overestimation]; exaggeration [See Exaggeration].
   VERB:AGGRAVATE, render worse, heighten, embitter, sour; exacerbate, acerbate, exasperate, envenom; enrage, provoke, tease.
  add fuel to the -fire, – flame; fan the flame (excite) [See Excitation]; go from bad to worse (deteriorate) [See Deterioration].
   ADJECTIVE:AGGRAVATED &c. v.; worse, unrelieved; aggravable [obs.], aggravative, aggravating &c. v.
   ADVERB:out of the frying pan into the fire, from bad to worse, worse and worse.
   INTERJECTION:so much the worse! tant pis! [F.].    QUOTATIONS:
  1. When sorrows come, they come not single spies, But in battalions.—Hamlet
  2. One woe doth tread upon another’s heel, So fast they follow.—Mrs. Gummidge, in David Copperfield