clumsy [clumsier, clumsiest](awkward or inefficient in use or construction) adjective [UK: ˈklʌm.zi] [US: ˈklʌm.zi]Seals are clumsy and ponderous on land, but very graceful in the water. = Sälar är klumpiga och otympliga på land, men mycket graciösa i vattnet.
cumbersome(burdensome or hindering, as if a weight or drag; vexatious; cumbrous) adjective [UK: ˈkʌm.bə.səm] [US: ˈkʌm.bər.səm]