IPA: /ˈbʌn.tʃi.ər/
KK: /ˈbʌnʧiər/
Having a larger or more pronounced grouping or cluster than something else.
The flowers in her garden looked bunchier than those in the neighbor's yard.
Comparative: bunchier
Superlative: bunchiest
'Bunchier' is formed from 'bunch' (from Middle English 'bunche', meaning a cluster or group) and '-ier' (a suffix used to form comparative adjectives). The word 'bunchier' means having more clusters or being more clustered than something else.
Think of 'bunch' as a group or cluster, and remember that 'bunchier' means having more of those clusters.