slip-up

[slip-uhp]

noun

1. a mistake, blunder, or oversight.

   Several slip-ups caused a delay in the delivery of the books.

   Synonyms: bungle, lapse, error

slip up

verb

1. informal,  to make a blunder or mistake; err

2. to fall over

   he slipped up in the street

noun

1. informal,  a mistake, blunder, or mishap

Word History and Origins

Origin of slip up¹

First recorded in 1850–55; noun use of verb phrase slip up

Idioms and Phrases

Make a mistake, blunder, as in I slipped up and gave the invitations to the wrong people. [Mid-1800s]

Example Sentences

If they slip up in France, it doesn't mean they won't reach the summit in September.

From BBC

Mohammed Ali Ege is one of Europe's most wanted men and Aamir's sister has appealed to him, telling him he's "not free" and always "worried about slipping up".

From BBC

Liverpool dominated the Premier League from an early stage and never looked like slipping up as they moved relentlessly while others faltered.

From BBC

Forest need to beat the Blues and hope at least one team above them slips up.

From BBC

Manchester City boss Pep Guardiola says his side will have to "fight until the end" in the race to secure a Champions League spot after slipping up on Saturday.

From BBC

Related Words

• err 
• misconstrue 
• misinterpret 
• misjudge 
• misread 
• misunderstand 
• overestimate 
• overrate 
• overvalue 
• underestimate 
• undervalue