Discourtesy
/dɪsˈkɜːrtəsi/
Definition 1 of 1
Pro Tip 1/3Cultural Impact
The perception of what's rude may vary by culture; learn local norms to avoid unintentional discourtesy. 
In some cultures, direct eye contact is seen as a sign of disrespect, often taken as discourtesy.
Pro Tip 2/3Response Matters
Responding to discourtesy with politeness often diffuses tensions and demonstrates maturity. 
Despite the visitor's discourtesy, the receptionist remained calm and polite.
Pro Tip 3/3Subtle Nuances
Discourtesy can be subtle, like not listening or interrupting, and isn't always obvious like insults. 
His constant interruption during her presentation was a sign of discourtesy.