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

Examples
Este diccionario es muy útil para los estudiantes de español.
This dictionary is very useful for Spanish students.
Tu consejo fue muy útil, pude resolver el problema.
Your advice was very helpful; I was able to solve the problem.
La habilidad de programar es una cualidad muy útil hoy en día.
The ability to program is a very useful skill nowadays.
Invariable Form
The word 'útil' itself is the same whether the noun it describes is masculine (el libro útil) or feminine (la información útil). It only changes to plural: 'útiles'.
Confusing 'ser' and 'estar'
Mistake: “La herramienta está útil.”
Correction: La herramienta es útil. We use 'ser' (es) when describing a permanent characteristic or nature of something—it is, by nature, useful.
Related Translations
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