countless
adjective /ˈkaʊntləs/
/ˈkaʊntləs/
[usually before noun]- very many; too many to be counted or mentioned
- I've warned her countless times.
- The new treatment could save Emma's life and the lives of countless others.
Oxford Collocations DictionaryCountless is used with these nouns:- instance
- letter
- occasion
- …