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"Necesario" is an adjective which is often translated as "necessary", and "suficiente" is an adjective which is often translated as "enough". Learn more about the difference between "necesario" and "suficiente" below.
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.
suficiente()
An adjective is a word that describes a noun (e.g., the big dog).
2. (conceited)
b. self-satisfied
Debido a su actitud suficiente, ya nadie quiere salir con ella.Because of her self-satisfied attitude, nobody wants to go out with her anymore.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
3. (grade)
a. passing grade
Sacar un suficiente es mejor que reprobar la clase.Getting a passing grade is better than failing the class.
