Here are new words for you to chew for the day. Enjoy!
1) Extemporaneous – Carried out or performed with little or no preparation; impromptu.
Synonyms: extemporary, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed, ad-lib
Usage: an extemporaneous piano recital;
2) Captious – Marked by a disposition to find and point out trivial faults.
Synonyms: faultfinding, critical
Usage: She found the new...