How to Say "needed" in Spanish
The Spanish word for “needed” is “necesaria” — A1 level. This is a very common word in everyday Spanish.
English → SpanishA1
adjectiveA1
something you must have

Examples
La información es necesaria para completar el formulario.
The information is necessary to complete the form.
Tener mucha paciencia es necesaria en este trabajo.
Having a lot of patience is necessary in this job.
Una reforma profunda de la ley es necesaria.
A deep reform of the law is necessary.
Adjective Agreement (Feminine)
Since 'necesaria' ends in '-a', you only use it when describing feminine singular nouns (like 'la ayuda' or 'la decisión').
Mixing Gender
Mistake: “La decisión es necesario.”
Correction: La decisión es necesaria. (Since 'decisión' is feminine, the adjective must match.)
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