Mannered a. : Having a certain way, esp. a polite way, of carrying and conducting one's self.

Mannered a. : Affected with mannerism; marked by excess of some characteristic peculiarity.

Example:
What is the best way to deal bad Mannered people when they are talking in their cellphones?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, adjective, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, nered, 14th century, manners, well-mannered.

Defination from the web:
mannered from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... kind <well-mannered> 2 a : having or displaying a particular manner b : having an artificial or stilted character <passages...so mannered as to ...