Cumbersome

beschwerlich

(burdensome or hindering, as if a weight or drag; vexatious; cumbrous)

hinderlich, lästig

(burdensome or hindering, as if a weight or drag; vexatious; cumbrous)

mühsam

(burdensome or hindering, as if a weight or drag; vexatious; cumbrous)

schwerfällig

(inert, lumbering, slow in movement)

schwierig

(hard, difficult, demanding to handle)

sperrig

(not easily managed or handled; awkward)

umständlich

(not easily managed or handled; awkward)