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"Preciso" is a form of "preciso", an adjective which is often translated as "accurate". "Necesario" is an adjective which is often translated as "necessary". Learn more about the difference between "preciso" and "necesario" below.
preciso()
An adjective is a word that describes a noun (e.g., the big dog).
1. (exact)
a. accurate
Necesitamos datos precisos para tomar una decisión.We need accurate data to make a decision.
b. precise
Aún no sabemos el número preciso de personas que vendrán a la boda.We don't know the precise number of people who will come to the wedding yet.
c. very
Estuvimos aquí en este preciso lugar hace diez años.We were in this very place ten years ago.
necesario()
An adjective is a word that describes a noun (e.g., the big dog).
1. (essential)
a. necessary
Es necesario usar casco para montar en bicicleta.A helmet is necessary for riding a bicycle.
a. inevitable
Mi enfermedad significó que cancelar la vacación fuera necesario.My illness meant that canceling the vacation was inevitable.
