Write a definition, the art of speech and an original sentence demonstrating the word’s meaning for each of the listed vocabulary 2 words.
1. ambiguous
2. amour
3. brood
4. contiguous
5. convivial
6. crescendo
7. echolalia
8. hauteur
9. impetuous
10. languid
11. melancholy
12. obstetrical
13. oculist
14. staid
15. sumptuous