Middle English, from Latin populosus, from populus people
First Known Use: 15th century
POPULOUSLY Defined for Kids
Definition of POPULOUS for Kids
: having a large population <a populous city>
Word Root of POPULOUS
The Latin word populus, meaning “people,” gives us the root popul. Words from the Latin populus have something to do with people. A population is the group of people living in a particular place. Anything popular is common among or enjoyed by many people. A place that is populous has many people living in it.