How to Say "to fatigue" in Spanish
The Spanish word for “to fatigue” is “cansar” — A1 level. This is a very common word in everyday Spanish.
English → SpanishA1
verbA1
more formal way of saying someone is getting tired

Examples
Subir las escaleras me cansa mucho.
Climbing the stairs tires me out a lot.
El sol fuerte cansa a los niños.
The strong sun tires the children out.
No quiero cansarte con tanto trabajo.
I don't want to exhaust you with so much work.
Tiring vs. Getting Tired
Use 'cansar' when something else makes you tired (like a job or exercise). To say YOU are tired, use 'estar cansado'.
The 'Se' version
When you add 'se' to the end (cansarse), it means 'to become tired' as an action you experience yourself.
Confusing 'Cansar' with 'Cansado'
Mistake: “Yo canso mucho hoy.”
Correction: Estoy muy cansado hoy (I am very tired) or 'Este día me cansa' (This day tires me).
Related Translations
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