IPA: /ˈklʌstəri/
KK: /ˈklʌstəri/
Describing something that is made up of or contains many clusters, often appearing grouped together.
The garden was clustery with flowers blooming in tight groups.
Comparative: clustier
Superlative: clustiest
The word 'clustery' is derived from 'cluster' (from Old English 'clyster', meaning a group or bunch) and the suffix '-y' (meaning characterized by). Therefore, 'clustery' describes something that is characterized by clusters or groups.
Think of a 'cluster' as a group or bunch, and remember that 'clustery' means something that has the quality of being grouped together.