"It would be impolite, and I won't do it," he asserted.
Chip closed his lips tightly to keep in something impolite.
Yuki Chan looked ruefully at the muddy prints she had made and realized that she had been a most impolite little girl.
Of course I noticed it, for nearly everyone else was all bundled up; but I didn't say anything as I did not want to be impolite.
She knew she was sometimes rather impolite in the candor of her remarks, and she did not want to be impolite to a girl who was not unkind--only stupid.