How to Say "insincere" in Spanish
The most common Spanish word for “insincere” is “falso” — use 'falso' when describing a person or their feelings as not being genuine or real, or when referring to an object that is a counterfeit..
falso
FAHL-soh/ˈfalso/

Examples
Me di cuenta de que su interés era falso.
I realized that his interest was false.
Me vendieron un reloj falso en la calle.
They sold me a fake watch on the street.
Ella tiene una sonrisa falsa, no parece feliz.
She has an insincere (false) smile; she doesn't look happy.
Descubrieron que el dinero era falso.
They discovered that the money was counterfeit.
Using Ser vs. Estar
When describing a person's character as deceitful, always use 'ser': 'Él es falso' (He is a false person). You would not typically use 'estar' with this meaning.
artificial
/ar-tee-fee-SYAL//aɾtifiˈsjal/

Examples
Su disculpa sonó muy artificial.
His apology sounded very artificial.
Ella me dio una sonrisa un poco artificial.
She gave me a somewhat fake smile.
Su entusiasmo parecía muy artificial.
His enthusiasm seemed very forced.
Falso vs. Artificial
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.

