Cumbersome

abultado

(not easily managed or handled; awkward)

aparatoso

(not easily managed or handled; awkward)

cargante

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

dispendioso

(hard, difficult, demanding to handle)

engorroso

(hard, difficult, demanding to handle)

farragoso

(hard, difficult, demanding to handle)

oneroso

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

penoso

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

pesado

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