Clumsy

гру́бый

grúbyj

(not elegant or well-planned)

некраси́вый

nekrasívyj

(not elegant or well-planned)

нело́вкий

nelóvkij

(awkward, lacking coordination, not graceful, not dextrous)

неповоро́тливый

nepovorótlivyj

(awkward, lacking coordination, not graceful, not dextrous)

неудо́бный

neudóbnyj

(awkward or inefficient in use or construction)

неуклю́жий

neukljúžij

(awkward, lacking coordination, not graceful, not dextrous)