1. (adj)common 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"
2. (adj)common having no specialdistinction 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"
3. (adj)common, mutual common to or shared by two or more parties
"a common friend"; "the mutual interests of management and labor"
4. (adj)common, usual commonly encountered
"a common (or familiar) complaint"; "the usual greeting"
5. (adj)common, vernacular, vulgar being or characteristic of or appropriate to everyday language "common parlance"; "a vernacular term"; "vernacular speakers"; "the vulgar tongue of the masses"; "the technical and vulgar names for an animal species"
6. (adj)common, plebeian, vulgar, unwashed of or associated with the greatmasses of people "the common people in those days suffered greatly"; "behavior that branded him as common"; "his square plebeian nose"; "a vulgar and objectionable person"; "the unwashed masses"
7. (adj)coarse, common of low or inferiorquality or value "of what coarse metal ye are molded"- Shakespeare; "produced...the common cloths used by the poorer population"
8. (adj)coarse, common, rough-cut, uncouth, vulgar lacking refinement or cultivation or taste "he had coarse manners but a first-rate mind"; "behavior that branded him as common"; "an untutored and uncouth human being"; "an uncouth soldier--a real tough guy"; "appealing to the vulgar taste for violence"; "the vulgar display of the newly rich"
9. (adj)common to be expected; standard "common decency"