IPA: /ˈpɒpjʊlə/
KK: /ˈpɑp.jə.lɚ/
Well-liked or admired by many people; commonly accepted or enjoyed by a large group.
The new movie became very popular among teenagers.
Comparative: more popular
Superlative: most popular
Popular → It is formed from "populus" (meaning people) and the suffix "-ar" (indicating relating to). The word "popular" means relating to or liked by the people.
Think of 'populus' which means people, and remember that 'popular' describes something that is liked by many people.