How to Say "anonymous note" in Spanish
The Spanish word for “anonymous note” is “anónimo” — B2 level.
English → SpanishB2
nounB2
any unsigned written communication

Examples
La policía analizó el anónimo en busca de huellas.
The police analyzed the anonymous letter for fingerprints.
Le enviaron un anónimo amenazante.
They sent him a threatening anonymous note.
No deberías creer lo que dice ese anónimo.
You shouldn't believe what that anonymous note says.
The Noun 'Anónimo'
When used as a noun, 'un anónimo' specifically refers to the piece of paper or the message itself, not the person who wrote it.
Confusing the letter with the person
Mistake: “El anónimo entró en la casa.”
Correction: El autor anónimo entró en la casa (or) Alguien anónimo entró.
Related Translations
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