stumble
Americanverb (used without object)
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to strike the foot against something, as in walking or running, so as to stagger or fall; trip.
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to walk or go unsteadily.
to stumble down a dark passage.
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to make a slip, mistake, or blunder, especially a sinful one.
to stumble over a question; to stumble and fall from grace.
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to proceed in a hesitating or blundering manner, as in action or speech (often followed byalong ).
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to discover or meet with accidentally or unexpectedly (usually followed by on, upon, oracross ).
They stumbled on a little village.
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to falter or hesitate, as at an obstacle to progress or belief.
verb (used with object)
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to cause to stumble; trip.
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to give pause to; puzzle or perplex.
noun
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the act of stumbling.
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a moral lapse or error.
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a slip or blunder.
verb
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to trip or fall while walking or running
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to walk in an awkward, unsteady, or unsure way
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to make mistakes or hesitate in speech or actions
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to come (across) by accident
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to commit a grave mistake or sin
noun
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a false step, trip, or blunder
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the act of stumbling
Other Word Forms
- stumbler noun
- stumbling adjective
- stumblingly adverb
- unstumbling adjective
Etymology
Origin of stumble
1275–1325; Middle English stumblen; cognate with Norwegian stumla to grope and stumble in the dark; akin to stammer
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.
A promised upgrade to its Siri digital assistant was delayed, in what analysts called a rare stumble for the company.
From Barron's • Mar. 29, 2026
What this all adds up to: The more all of us use AI—and the more we discover it can do—the more likely we are to stumble into the Turing Trap.
From The Wall Street Journal • Mar. 20, 2026
After three successive Premier League wins, Tuesday's loss was another stumble for Slot's side in the race for the top four.
From BBC • Mar. 5, 2026
Most employees acquire those skills over time—by learning from their nonwork relationships, watching how colleagues behave in the office, and by seeing what happens when they stumble in their own workplace interactions.
From The Wall Street Journal • Mar. 1, 2026
I crash into Cassie’s knees as I stumble past her, and she yelps.
From "Keeping Pace" by Laurie Morrison
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
