furiously//ˈfjʊəriəsli//B2Frequency Level 11NeutralAdverbfuriouslyCanonical form1In an extremely angry or violent manner.She furiously slammed the door after the argument.2With intense energy, speed, or effort.She was typing furiously to finish the report before the deadline.SynonymfiercelyviolentlyintenselyAntonymcalmlygently