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

Examples
Si no tuviera cuidado, perdería mis llaves.
If I weren't careful, I would lose my keys.
Él perdería el partido sin tu ayuda.
He would lose the game without your help.
The 'Would' Form
Perdería is the 'would' form of the verb. Use it when talking about hypothetical situations or things that depend on something else happening first.
One Word, Many People
This exact form is used for 'I' (yo), 'he' (él), 'she' (ella), and 'you formal' (usted). Context usually tells you who is being talked about.
Don't confuse with 'Will'
Mistake: “Using 'perdería' for a future promise like 'I will lose weight.'”
Correction: Use 'perderé' for 'will' and 'perdería' for 'would' (e.g., if I went on a diet, I would lose weight).
Related Translations
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