unmannered

/ʌnˈmænərd/
adjective
  1. Not having or showing good manners; rude or impolite.
    • She found his unmannered interruption during the meeting very frustrating.
    • The child's unmannered behavior in the store made the mother apologize to the clerk.
    • His unmannered comment at the dinner table embarrassed everyone.
  2. Not affected or artificial; natural and sincere.
    • Her unmannered style of speaking put everyone at ease.
    • The painting has an unmannered simplicity that is very appealing.
    • The actor's unmannered performance made the character feel real and relatable.
What does "unmannered" mean? | whatsthatwordmean | whatsthatwordmean