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.
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
And should the RedHawks stumble in the MAC tournament, a decision to exclude them with a single defeat would be unheard of.
From The Wall Street Journal • Mar. 2, 2026
Their stumble, though, has stopped them pulling clear of those teams, and all but ended talk of an improbable title challenge.
From BBC • Feb. 26, 2026
Even in a flight to safety, if spirits start to stumble, the message from staples could quickly turn sobering.
From Barron's • Feb. 17, 2026
We stumble into a large conference room, with a whiteboard and a podium standing at the head of the room.
From "Kwame Crashes the Underworld" by Craig Kofi Farmer
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.
