Here's what rhymes with dingbattiest.
chattiest battiest tattiest nattiest fattiest rattiest cattiest brattiest Words that almost rhyme with dingbattiest
patchiest happiest shabbiest catchiest sappiest gabbiest nappiest unhappiest snappiest flabbiest crappiest crabbiest scabbiest grabbiest scrappiest scratchiest tackiest baggiest jazziest daffiest pantheist nastiest canniest dandiest trashiest wackiest brassiest sassiest shaggiest chanciest draughtiest draftiest gassiest whackiest bandiest draggiest fanciest handiest scantiest craftiest manliest classiest flashiest sandiest uncanniest snazziest splashiest campiest craggiest glassiest lankiest randiest grassiest waxiest crankiest scraggiest slangiest gangliest scraggliest