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Synonyms

cumbersome

American  
[kuhm-ber-suhm] / ˈkʌm bər səm /

adjective

  1. burdensome; troublesome.

    Synonyms:
    onerous, weighty, heavy
  2. unwieldy; clumsy.

    Synonyms:
    awkward

cumbersome British  
/ ˈkʌmbəsəm, ˈkʌmbrəs /

adjective

  1. awkward because of size, weight, or shape

    cumbersome baggage

  2. difficult because of extent or complexity

    cumbersome accounts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • cumbersomely adverb
  • cumbersomeness noun

Etymology

Origin of cumbersome

First recorded in 1325–75, cumbersome is from the Middle English word cummyrsum. See cumber, -some 1

Explanation

You have to wrestle a bit with the longish word cumbersome; it's cumbersome, or kind of long and clumsy, to tumble out in a sentence. It's hard to use it gracefully. A "cumber" is something that slows you down, and though the words aren't related, "lumber" includes big pieces of heavy wood, which might slow down the person carrying them. Moving lumber is cumbersome, because it's a heavy and awkward job. Getting your laundry down the stairs or putting a Rottweiler in the bathtub can be cumbersome too.

Keep Reading on Vocabulary.com

Vocabulary lists containing cumbersome

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We expect smaller GPU providers and eventual enterprise customers to leverage Dell’s broader infrastructure portfolio rather than source third-party equipment/technologies that are more cumbersome to integrate,” Daryanani added.

From Barron's • Apr. 22, 2026

Like others, Beauchamp says figuring out the real cost of a plane ticket with all those add-ons has become cumbersome.

From MarketWatch • Apr. 10, 2026

“I’ve also seen how cumbersome that can be.”

From The Wall Street Journal • Apr. 9, 2026

Hegseth’s language choices and petulant tone do not demonstrate an ignorance of what rhetorical situations demand of him; instead, they reflect a refusal to be emasculated by such cumbersome norms.

From Salon • Mar. 10, 2026

He wasn’t used to wearing the spacesuit and found it cumbersome to move around.

From "City Spies" by James Ponti