Run up

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Meaning 1 of 3
Definition

To let a bill, debt, or cost build up quickly

Example sentence
She ran up a huge credit card bill on vacation.
Real video usage
Three clips showing this meaning in natural speech.
💡 PRO TIP: Turn on captions (CC) and slow the video down. Click the ⚙️ gear on the video, choose Playback speed, then pick 0.75 or 0.5.
Clip 1
⏱ Timestamp
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Clip 2
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Clip 3
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Common collocations
Natural word pairings to memorize.

Common pattern: run up + bill/debt (noun)

run up a bill

run up debt

run up a tab

run up costs

run up the score

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Separable usage
Can the object split the verb? Compare correct vs incorrect.

She ran up a huge bill. ✅ (Correct)

She ran a huge bill up. ✅ (Correct)

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