How to Say "intelligent" in Spanish
The Spanish word for “intelligent” is “inteligente” — A1 level. This is a very common word in everyday Spanish.

Examples
Mi hermana es muy inteligente; siempre saca buenas notas.
My sister is very intelligent; she always gets good grades.
Los delfines son animales increíblemente inteligentes.
Dolphins are incredibly intelligent animals.
Fue una decisión inteligente no salir con esta lluvia.
It was a smart decision not to go out in this rain.
One Form for Everyone
'Inteligente' is great because it doesn't change for men or women. You say 'un hombre inteligente' (a smart man) and 'una mujer inteligente' (a smart woman). It stays the same!
Making it Plural
To talk about more than one person or thing, just add an 's' at the end. For example, 'los estudiantes inteligentes' (the smart students).
Using 'Ser' vs. 'Estar'
Mistake: “Estoy inteligente hoy.”
Correction: Use 'ser' for intelligence, as it's a personality trait. Always say 'Soy inteligente' (I am intelligent), not 'Estoy inteligente'.
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.