momentous
adjective/məˈmentəs/
/məʊˈmentəs/
- very important or serious, especially because there may be important results synonym historic
- a momentous decision/event/occasion
- At the same time, momentous events were taking place in Russia.
Oxford Collocations DictionaryMomentous is used with these nouns:- change
- decision
- event
- …
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
momentous