double negative

US /ˌdʌbl ˈneɡətɪv/
UK /ˌdʌbl ˈneɡətɪv/
"double negative" picture
1.

doble negación

a grammatical construction in which two negative words are used in the same clause, often resulting in a positive meaning or an intensified negative meaning, depending on context and language

:
The sentence "I don't know nothing" is an example of a double negative.
La oración "No sé nada" es un ejemplo de doble negación.
While common in some dialects, double negatives are generally considered grammatically incorrect in standard English.
Aunque comunes en algunos dialectos, las dobles negaciones generalmente se consideran gramaticalmente incorrectas en inglés estándar.