populous
adjective /ˈpɒpjələs/
/ˈpɑːpjələs/
(formal)- where a large number of people live
- one of America’s most populous states
- the populous coastal region
Oxford Collocations DictionaryPopulous is used with these nouns:- country
Word Originlate Middle English: from late Latin populosus, from populus ‘people’.