|Origin:||commun, from Latin communis|
com‧mon1 S1 W1
happening often and to many people or in many places [≠ rare]:
Heart disease is one of the commonest causes of death.
Bad dreams are fairly common among children.
it's common for somebody to do something! Do not say 'It is common that...': It is common for children to be afraid (NOT It is common that children are afraid) of the dark.
It's common for new fathers to feel jealous of the baby.
existing in large numbers [≠ rare]:
Daisies are very common flowers.
common aims, beliefs, ideas etc are shared by several people or groups:
same/similar[usually before noun, no comparative]
people working towards a common goal
countries that share a common language
a theme that is common to all her novels
facts, features, or beliefs that are shared by people or things that are very different
common ground between
There is a great deal of common ground between management and trade unions on this issue.
belonging to or shared by everyone in a society
shared by everyone[ no comparative]
These problems are common to all societies.
Joe was chosen as captain by common consent (=with everyone's agreement).
the advantage of everyone:
They work together for the common good.
a usual or accepted way of doing things:
It was common practice for families to attend church together.
ordinary and not special in any way:
ordinary[only before noun, no comparative]
The twentieth century was called the century of the common man (=ordinary people).
He insists that he is a revolutionary not a common criminal.
a polite way of behaving that you expect from people:
It would be common courtesy to return their hospitality.
11 British English
ordinary [= garden-variety American English]
a common or garden dispute
to join with other people or groups in order to achieve something:
France and Russia made common cause against Britain.
the ability of someone in a position of power or authority to talk to and understand ordinary people - used to show approval:
He's made it to the top without losing the common touch.
an offensive word used for describing someone from a low social class