Vociferous is an Adjective
Meaning: effusive, loud and enthusiastic
It means a loud, noisy and persistent outcry in order to make one's feelings or opinions known. It is like crying out noisily.
Noun : Vociferousness
Adverb : Vociferously
It is commonly confused with voracious
1. Some opposition leaders were voracious in voicing their opinions against the women's reservation bill.
2. Students resorted to a voracious protest against the introduction of negative marking in the tests.
3. The crowd at the airport gave a voracious welcome to the arriving cricket team.