громоздкий znamená v Angličtina

bulky [bulkier, bulkiest]▼(unwieldy)
adjective
[UK: ˈbʌlk.i] [US: ˈbʌlk.i]

cumbersome▼(not easily managed or handled; awkward)
adjective
[UK: ˈkʌm.bə.səm] [US: ˈkʌm.bər.səm]