The Professor, already exacerbated by the study of the humanities, was in a state of acute erethism.
"The War of the Wenuses"
C. L. Graves and E. V. Lucas
He was not really tormented except by a cerebral erethism.
"Là-bas"
J. K. Huysmans
They lose control over their vasomotor system to some extent as a result of this systemic erethism.
"Psychotherapy"
James J. Walsh