unprecedented
adjective /ʌnˈpresɪdentɪd/
  /ʌnˈpresɪdentɪd/
- that has never happened, been done or been known before
- The situation is unprecedented in modern times.
 - There were unprecedented scenes of violence in the city’s main square.
 
Oxford Collocations Dictionaryverbs- be
 
- entirely
 - quite
 - totally
 - …