1. (

• gawky ,
• clumsy ,
• clunky ,
• ungainly ,
• unwieldy

) lacking grace in movement or posture; "a gawky lad with long ungainly legs"; "clumsy fingers"; "what an ungainly creature a giraffe is"; "heaved his unwieldy figure out of his chair" ;

2. (

• clunky

) making a clunking sound ;