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Este restaurante es bueno.
This restaurant is good.
Good, satisfactory, or of high quality.
El tiempo está bueno hoy.
The weather is good today.
Es un buen estudiante.
He is a good student.
Can also mean 'kind' or 'nice' when referring to people.
Effective or useful.
Este método es bueno para aprender.
This method is good for learning.
'Bueno' must agree in gender and number with the noun it modifies. For example, 'buena' (feminine singular), 'buenos' (masculine plural), 'buenas' (feminine plural).
'Bueno' is one of the most frequently used adjectives in Spanish, so mastering its usage is essential for fluency.
From Latin 'bonus', meaning 'good'.
In some contexts, 'bueno' can be used as a noun meaning 'the good' or 'goodness'.