IPA: /ˈtʃʌŋkiər/
KK: /ˈtʃʌŋki/
Having a thick, solid, or bulky appearance; larger or heavier than usual.
The new sofa is chunkier than the old one, making it more comfortable to sit on.
Comparative: chunkier
Superlative: chunkiest
Chunkier → It is formed from "chunk" (from Middle English *chunke*, meaning a piece or lump) and the suffix "-ier" (meaning more). The word "chunkier" means having more chunks or being more substantial in size or thickness.
Think of a 'chunk' as a piece or lump, and remember that 'chunkier' means something that has more of those pieces or is thicker.