How to Say "optimism" in Spanish
The Spanish word for “optimism” is “optimismo” — B1 level. This is a very common word in everyday Spanish.

Examples
Su optimismo es contagioso.
Their optimism is contagious.
A pesar de las dificultades, ella nunca perdió el optimismo.
Despite the difficulties, she never lost her optimism.
Debemos afrontar el futuro con realismo y optimismo.
We must face the future with realism and optimism.
Always Masculine
Even though it ends in 'o', it follows the standard rule that nouns ending in 'o' are masculine. Always use 'el' or 'un' with it.
Using 'with' optimism
Just like in English, you usually use the word 'con' (with) before it, as in 'con optimismo' (with optimism).
Optimismo vs. Optimista
Mistake: “Soy optimismo.”
Correction: Soy optimista (I am an optimist) or Tengo optimismo (I have optimism). Use 'optimismo' for the concept and 'optimista' for the person.
Related Translations
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