slip-up

[ slip-uhp ]
/ ˈslɪpˌʌp /

noun

a mistake, blunder, or oversight: Several slip-ups caused a delay in the delivery of the books.

Origin of slip-up

First recorded in 1850–55; noun use of verb phrase slip up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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