IPA: /ˈkæʧ.i.ər/
KK: /ˈkæʧiər/
More appealing or attractive, especially in a way that is easy to remember.
The new song is catchier than the last one they released.
Comparative: catchier
Superlative: catchiest
Catchier → It is formed from "catch" (from Old English *ceccan*, meaning to seize or take hold of) and the comparative suffix "-ier" (indicating more). The word "catchier" means more capable of attracting attention or interest than something else.
Think of the word 'catch' meaning to seize or grab attention, and remember that 'catchier' means something that grabs attention even more.