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

Examples
El proyecto fue un fracaso total después de dos años.
The project was a total failure after two years.
No tengas miedo al fracaso, es parte del aprendizaje.
Don't be afraid of failure; it's part of learning.
Su matrimonio terminó en fracaso.
His marriage ended in failure.
Using the Article
Like many abstract nouns in Spanish (ideas or feelings), 'fracaso' often needs the definite article ('el') when you are talking about the concept generally: 'El fracaso es duro.' (Failure is hard.)
Mixing up the Noun and Verb
Mistake: “Ella fracasó el examen.”
Correction: Remember 'fracaso' is the noun (the thing). To describe the action, use the verb 'fracasar': 'Ella fracasó en el examen' (She failed the exam).
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