[1] : The Collaborative International Dictionary of English v.0.48

ire \ire\, n. f., fr. l. ira.
   anger; wrath. poet.

   syn: anger; passion; rage; fury. see anger.
        1913 webster
see also:
anger 

[2] : WordNet (r) 2.0

ire
     n 1: a strong emotion; a feeling that is oriented toward some
          real or supposed grievance syn: anger, choler
     2: belligerence aroused by a real or supposed wrong
        personified as one of the deadly sins syn: wrath, anger,
         ira
see also:
anger choler wrath ira 

[3] : Moby Thesaurus II by Grady Ward, 1.0

23 moby thesaurus words for "ire":
   a transient madness, anger, angriness, enrage, enragement, fury,
   grapes of wrath, heat, incense, indignation, infuriate,
   infuriation, irateness, mad, madden, rage, saeva indignatio,
   soreness, steam up, umbrage, vials of wrath, wrath, wrathfulness

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