common

adjective

having no special distinction or quality
“widely known or commonly encountered”
belonging to or participated in by a community as a whole
commonly encountered
“a common (or familiar) complaint”
usual
being or characteristic of or appropriate to everyday language
“common parlance”
vulgar
of or associated with the great masses of people
“the common people in those days suffered greatly”
unwashed
to be expected

expectable
lacking refinement or cultivation or taste

vulgarrough-cutcoarseuncouth
common to or shared by two or more parties
“a common friend”
mutual
of low or inferior quality or value

coarse

noun