Cum"brous (k?m"br?s), a.
1.
Rendering action or motion difficult or toilsome; serving to obstruct or hinder; burdensome; clogging.
He sunk beneath the cumbrous weight.
Swift.
That cumbrousand unwieldy style which disfigures English composition so extensively.
De Quincey.
2.
Giving trouble; vexatious.
[Obs.]
A clud of cumbrous gnats.
Spenser.
-- Cum"brous*ly, adv. -- Cum"brous*ness, n.
© Webster 1913.