ungenteel
/ˌʌŋˈdʒɛntiːl/Definitions
1. adjective
lacking in refinement or delicacy of manners
“The aristocrat’s ungenteeled behavior at the dinner party shocked the other guests.”
2. noun
a person who is lacking in refinement or delicacy of manners
“The ungenteeled commoner was out of place at the royal ball.”