Decicimer
Yes, it is. It is the opposite of the word formal (not formal), and a synonym of casual or unofficial.
Formal is an adjective.
Single verbs are used for formal speech or writing.
Interjection is the part of speech rarely used in formal writing.
maybe
Inventor, Maker or Maker-Of-Things!
map maker is the synonym for cartographer. source: dicitonary.com
speech or sermon
speech
Another word for a formal speech is an oration or a discourse.
A formal speech is also called an oration, address, or discourse.
Yes, it is. It is the opposite of the word formal (not formal), and a synonym of casual or unofficial.
Formal is an adjective.
a cartographer
Single verbs are used for formal speech or writing.
I would say the best synonym is a long, uninterrupted speech made by one person.
formal!