pugnaciously
US /pʌɡˈneɪʃəsli/
UK /pʌɡˈneɪʃəsli/

1.
streitlustig, kämpferisch, aggressiv
in a belligerent or aggressive manner; eager or quick to argue, quarrel, or fight
:
•
He responded pugnaciously to every criticism.
Er reagierte streitlustig auf jede Kritik.
•
The politician pugnaciously attacked his opponent's policies.
Der Politiker griff die Politik seines Gegners streitlustig an.