ˈ ̷ ̷| ̷ ̷ adjective
1. : made of several sections or layers fastened together
a built-up girder
built-up roofing
2. of a land area : having many buildings : covered with buildings
3. : thickened, enlarged
a built-up heel of a shoe
: piled higher by gradual accumulation
built-up slag
built-up land where the old town dump was
often : filled in : widened
a built-up neckline on her dress