How to Say "slip-up" in Spanish
The Spanish word for “slip-up” is “renuncio” — C1 level.
English → SpanishC1
nounC1informal
a contradiction or mistake in someone's story

Examples
Te pillé en un renuncio; antes dijiste que no lo sabías.
I caught you in a contradiction; you said before that you didn't know.
Noun usage
As a noun, this word is almost always used with the verbs 'pillar' or 'coger' (to catch).
Related Translations
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