How to Say "questionnaire" in Spanish
The Spanish word for “questionnaire” is “formulario” — A2 level. This is a very common word in everyday Spanish.
English → SpanishA2
nounA2
a set of questions

Examples
Tienes que rellenar este formulario para abrir una cuenta.
You have to fill out this form to open an account.
He enviado el formulario de contacto por internet.
I have sent the contact form online.
Gender Identification
Since this word ends in '-o', it is masculine. You should always use 'el' or 'un' with it: 'el formulario'.
The 'Fill Out' Confusion
Mistake: “Using 'llenar' exclusively for forms.”
Correction: While 'llenar' works, Spanish speakers more naturally use 'rellenar' (to fill in) or 'completar' (to complete) when talking about documents.
Related Translations
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