stumble

US /ˈstʌm.bəl/
UK /ˈstʌm.bəl/
"stumble" picture
1.

trip or momentarily lose one's balance; almost fall

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He began to stumble as he walked through the uneven terrain.
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She stumbled on a loose rock and nearly fell.
:
tripfaltertotterlurchstagger
2.

make a mistake or repeated mistakes in speaking or understanding

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He tends to stumble over his words when he's nervous.
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The speaker would often stumble during his long speech.
:
falterhesitatestammerstutter
3.

find or discover (something) by chance

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They stumbled upon an old, abandoned cabin in the woods.
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I stumbled across an interesting article online.
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discoverfindencounterhappen uponcome across
1.

an act of stumbling

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He recovered from a slight stumble on the uneven path.
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The sudden stumble caused her to drop her books.
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tripfalterslipmisstep
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stumble onstumbling block