clumsy vs clunky

clumsy and clunky both are adjectives.

Word	Noun	Adjective	Verb	Adverb
clumsy	No	Yes	No	No
clunky	No	Yes	No	No

As adjectives, clumsy and clunky are synonyms defined as:

Other synonyms of clumsy include gawky, ungainly, unwieldy.

clumsy (adjective)	clunky (adjective)
lacking grace in movement or posture	making a clunking sound
not elegant or graceful in expression	lacking grace in movement or posture
showing lack of skill or aptitude
difficult to handle or manage especially because of shape