The Collaborative International Dictionary
Vociferating
Vociferate \Vo*cif"er*ate\, v. t. [imp. & p. p. Vociferated; p. pr. & vb. n. Vociferating.] To utter with a loud voice; to shout out.
Though he may vociferate the word liberty.
--V. Knox.
Wiktionary
vociferating
vb. (present participle of vociferate English)