How to Say "to sign" in Spanish
The Spanish word for “to sign” is “firmar” — A1 level. This is a very common word in everyday Spanish.
English → SpanishA1
verbA1
a contract or legal document

Examples
Necesitas firmar el contrato antes de empezar a trabajar.
You need to sign the contract before starting work.
¿Dónde debo firmar?
Where should I sign?
Ya firmamos los papeles para la casa nueva.
We already signed the papers for the new house.
Direct Use
Unlike some English phrases ('sign up'), 'firmar' is used directly with what is being signed (firmar el contrato, firmar la carta).
Confusing 'Sign' Meanings
Mistake: “Usar 'firmar' para 'señal' (sign/signal).”
Correction: 'Señal' means signal or road sign. 'Firmar' is only for putting your name on something written. Never use 'firmar' for a traffic sign!
Other Meanings of “firmar”
Related Translations
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