1. plaintive - expressive sorrow
2. acumen - cleverness.
3. jawbreaker - a word that is hard to pronounce
4. austerity - severity of manner
5. astounding - amazing
6. tresses - a long lock of women's hair
7. trauma - shock, distress.
8. dandy - stylish and fashionable
9. robust - strong and healthy
10. Quirky - unusual