double negative

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

doppia negazione

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 frase "Non so niente" è un esempio di doppia negazione.
While common in some dialects, double negatives are generally considered grammatically incorrect in standard English.
Sebbene comuni in alcuni dialetti, le doppie negazioni sono generalmente considerate grammaticalmente scorrette nell'inglese standard.