'Vociferous' definitions:

Definition of 'vociferous'

(from WordNet)
adjective
Conspicuously and offensively loud; given to vehement outcry; "blatant radios"; "a clamorous uproar"; "strident demands"; "a vociferous mob" [syn: blatant, clamant, clamorous, strident, vociferous]

Definition of 'Vociferous'

From: GCIDE
  • Vociferous \Vo*cif"er*ous\, a. [Cf. F. vocif[`e]re.] Making a loud outcry; clamorous; noisy; as, vociferous heralds. -- {Vo*cif"er*ous*ly}, adv. -- {Vo*cif"er*ous*ness}, n. [1913 Webster]