IPA: /ˈlʌmpiɪst/
KK: /ˈlʌmpiɪst/
The most uneven or full of lumps; having many bumps or irregularities.
The lumpiest part of the cake was hard to cut through.
Comparative: lumpier
Superlative: lumpiest
Lumpiest → It is formed from "lump" (from Old English *lympa*, meaning a mass or clump) and the suffix "-iest" (meaning the most). The word "lumpiest" describes something that has the most lumps or is characterized by many lumps.
Think of a 'lump' as a mass or clump, and remember that 'lumpiest' means having the most lumps.