Portuguese Phrase
Não precisa assinar.
Meaning
The sentence means ‘You don’t need to sign (it)’ or ‘There’s no need to sign.’ It conveys that signing is optional or unnecessary in the given context.
When to use
Use this phrase when you want to reassure someone that a signature isn’t required—e.g., at a checkout, when filling out a form, or when a colleague asks if a document must be signed.
✦Grammar Breakdown
Nãoprecisaassinar
Negação com Não
‘Não’ precede the verb to make the statement negative, similar to ‘not’ in English.
Verbo Precisa (precisar) como impessoal
‘Precisa’ is the third‑person singular of ‘precisar’, used here without a subject, meaning ‘it is not necessary’.
Infinitivo sem preposição
The infinitive ‘assinar’ follows the verb ‘precisar’ directly, forming a construction equivalent to ‘to need to sign’.
🗨In Conversation
Preciso assinar o contrato agora?
Do I need to sign the contract now?
Não precisa assinar, pode deixar para depois.
You don’t need to sign, you can leave it for later.
✕Common Mistakes
Não precisa de assinar.
Avoid adding extra words like ‘de’ after ‘precisa’; the correct structure is ‘precisa + infinitive’.
Precisa não assinar.
Placing ‘não’ after the verb changes the meaning to ‘must not sign’. Keep ‘não’ before the verb.
Não precisa assinas.
The verb stays in infinitive form; do not conjugate ‘assinar’.
↔Alternatives
Não é necessário assinar.
It isn’t necessary to sign.
Não tem que assinar.
You don’t have to sign.
Pode ficar sem assinar.
You can go without signing.
Cultural Tip
In Brazil, it’s common to ask for a signature on receipts, contracts, or delivery confirmations. Saying ‘Não precisa assinar’ can be a polite way to speed up a transaction, but make sure the other party truly doesn’t need a signature for legal or record‑keeping reasons. In more formal settings, you might prefer ‘Não é necessário assinar’ to sound a bit more official.

