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.
A clud of cumbrous gnats.
Spenser.
— Cum″brous‐ly, adv. — Cum″brous‐ness, n.