How to Say "unofficial" in Spanish
The Spanish word for “unofficial” is “informal” — B2 level.
English → SpanishB2
adjectiveB2
referring to things not registered or regulated

Examples
Mucha gente trabaja en el sector informal.
Many people work in the informal sector (unregulated).
Recibió una educación informal en su casa.
He received an informal education at home.
Llegamos a un acuerdo informal sin firmar nada.
We reached an unofficial agreement without signing anything.
Abstract Nouns
When this word describes abstract things like 'economy' or 'sector', it refers to things that happen outside of official rules.
Related Translations
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