How to Say "qualm" in Spanish
The Spanish word for “qualm” is “escrúpulo” — B2 level. This is a very common word in everyday Spanish.

Examples
No tiene escrúpulos a la hora de mentir para ganar dinero.
He has no qualms when it comes to lying to make money.
Sus escrúpulos morales le impidieron aceptar el soborno.
His moral scruples prevented him from accepting the bribe.
Es una empresa sin escrúpulos que no cuida el medio ambiente.
It's a company without scruples that doesn't care for the environment.
Usually Plural
When talking about someone's character or conscience, we almost always use the plural form: 'escrúpulos'.
Using 'Sin'
The phrase 'sin escrúpulos' works like an adjective to describe someone who is ruthless or dishonest.
Confusing with 'Scrupulosity'
Mistake: “Él es muy escrúpulo.”
Correction: Él tiene muchos escrúpulos (or 'Él es escrupuloso'). You use the noun with the verb 'to have' (tener) to describe character.
Related Translations
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