enraging--prophetes.ai

enraging, ppl. a. rare.
  (ɛnˈreɪdʒɪŋ)
  [f. enrage v. + -ing².]
  That enrages; provoking, exasperating. (So Fr. enrageant.)

1880 Disraeli Endym. xii. 47 Myra was always unmoved and enraging from her total want of sensibility.

Oxford English Dictionary