late 14c., "burdensome, troublesome," from cumber (v.) + -some (1). Meaning "unwieldy, inconvenient, hard to carry" is from 1590s. Cumberless "free from care or encumbrance" (1580s) is rare. Related: Cumbersomely; cumbersomeness.
a cumbersome piece of machinery
his cumbersome writing style
cum
cum laude
Cumaean
cumber
Cumberland
cumbersome
cumbrance
Cumbrian
cumbrous
cumin
cummerbund
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