1.Definition: being or characteristic of or appropriate to everyday language
2.Definition: belonging to or participated in by a community as a whole; public
"For the common good", "Common lands are set aside for use by all members of a community"
3.Definition: common to or shared by two or more parties
"A common friend"
4.Definition: commonly encountered
"A common (or familiar) complaint"
5.Definition: having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual
"The common man", "A common sailor", "The common cold", "A common nuisance", "Followed common procedure", "It is common knowledge that she lives alone", "The common housefly", "A common brand of soap"
6.Definition: lacking refinement or cultivation or taste
"Behavior that branded him as common"
7.Definition: of low or inferior quality or value
"Produced...the common cloths used by the poorer population"
8.Definition: of or associated with the great masses of people
"The common people in those days suffered greatly", "Behavior that branded him as common"
9.Definition: to be expected; standard