occurring or appearing frequently; familiar
of the familiar kind
common salt
widespread or general
common knowledge
characterized by a lack of privilege or special status
the common people
simply satisfying accustomed criteria and no more; elementary
common decency
lacking refinement
belonging to or shared by two or more individuals or by all members of a group
a common acquaintance
of the community at large; public
for the common good
in grammar, belonging to a gender that includes masculine and feminine
in mathematics, belonging to more than one quantity
a common multiple
said of a syllable: able to be short or long
common or garden
ordinary or everyday
make common cause with
to unite with (somebody) in a shared objective
commonly adv
commonness noun
[Middle English commun via Old French from Latin communis]