say it: PAH-pyuh-luhs
populous is an adjective meaning "densely populated". It is pronounced /ˈpɑpjələs/ — PAH-pyuh-luhs. It carries one recorded sense.
densely populated
Definitions, synonyms and semantic relations for populous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.