frumpery means frumpish appearance or behaviour. Lexicurio rates it Sui generis — a strength score of 85 out of 100.
Etymology
From frump + -ery.
noun
- Frumpish appearance or behaviour.“Ladies of yesteryear toured world capitals in sedate linen dresses, but such priggish frumpery hardly presents Americans as the carefree, egalitarian, and sensuous people the viewers of dubbed Baywatch episodes have come to expect.”