1. Burdensome or hindering, as a weight or drag; embarrassing; vexatious; cumbrous.
"To perform a cumbersome obedience. Sir. P. Sidney." --
2. Not easily managed; as, a cumbersome contrivance or machine.
"He holds them in utter contempt, as lumbering, cumbersome, circuitous. I. Taylor." --
-- Cum"ber*some*ly, adv. -- Cum"ber*some*ness,n.
Ask five economists and you'll get five different answers - six if one went to Harvard.