
Crass
Not Subtle
Crass doesn't just mean rude; it's rudeness from not noticing subtleties.
Laughing at someone's mistake could be seen as crass.
Very Blunt
Using crass is strong criticism; it suggests a person is extremely blunt.
Her crass way of speaking hurt her friends.
Avoid in Formality
Crass is informal and negative, avoid it in formal or polite conversation.
It's crass to discuss money at a formal dinner.