WordReference Random House Learner's Dictionary of American English © 2019
cum•ber•some /ˈkʌmbɚsəm/USA pronunciation   adj. 
  1. burdensome;
    heavy or bulky to carry, wear, etc.:The desk was too cumbersome to pick up and move.
  2. slow and inefficient;
    clumsy:the cumbersome process of renewing a driver's license.
cum•ber•some•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2019
cum•ber•some  (kumbər səm),USA pronunciation adj. 
  1. burdensome;
  2. unwieldy;
cumber•some•ly, adv. 
cumber•some•ness, n. 
  • Middle English cummyrsum. See cumber, -some1 1325–75
    • 1.See corresponding entry in Unabridged heavy, weighty, onerous.
    • 2.See corresponding entry in Unabridged awkward.

Collins Concise English Dictionary © HarperCollins Publishers::

cumbersome /ˈkʌmbəsəm/, cumbrous /ˈkʌmbrəs/ adj
  1. awkward because of size, weight, or shape
  2. difficult because of extent or complexity: cumbersome accounts
Etymology: 14th Century: cumber, short for encumber + -some1

ˈcumbersomeness, ˈcumbrousness n

'cumbersome' also found in these entries:

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