How to Say "know-it-all" in Spanish
The Spanish word for “know-it-all” is “cuñado” — B2 level.
English → SpanishB2
nounB2informal
Used to describe a stereotypical person, often middle-aged, who is arrogant or gives unwanted advice.
Examples
Mi vecino es un cuñado, siempre opina de todo aunque no sepa nada.
My neighbor is a 'cuñado' (a know-it-all), he always gives opinions on everything even if he knows nothing.
Comprarse un televisor de ese tamaño es muy de cuñado.
Buying a TV that size is very 'cuñado' (very stereotypical/tacky).
Understanding the Cultural Joke
This meaning is based on the idea that family gatherings often involve a brother-in-law who dominates conversations, offering unsolicited and often wrong advice, making him the target of lighthearted ridicule.
Related Translations
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