MeanOF

fiercely

- adverb (adv)

Meaning: violently, menacingly

Synonyms: angrily awfully boldly brutally ferociously forcefully forcibly frantically frenziedly frighteningly furiously hard horribly impetuously in a frenzy irresistibly like cats and dogs madly maleficiently malevolently malignly mightily monstrous no holds barred passionately riotously roughly savagely severely stormily tempestuously terribly threateningly tigerishly tooth and nail turbulently uncontrollably vehemently venomously viciously wildly with bared teeth
Antonyms: gently kindly mildly quietly tamely

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.