a. 1. Burdensome or hindering, as a weight or drag; embarrassing; vexatious; cumbrous. [ 1913 Webster ]
To perform a cumbersome obedience. Sir. P. Sidney. [ 1913 Webster ]
2. Not easily managed; as, a cumbersome contrivance or machine. [ 1913 Webster ]
He holds them in utter contempt, as lumbering, cumbersome, circuitous. I. Taylor.
-- Cum"ber*some*ly, adv. -- Cum"ber*some*ness, n. [ 1913 Webster ]