1.
an instance of the occurrence, existence, etc., of something:
Sailing in such a storm was a case of poor judgment.
2.
the actual state of things:
That is not the case.
3.
a question or problem of moral conduct; matter:
a case of conscience.
4.
situation; circumstance; plight:
Mine is a sad case.
5.
a person or thing whose plight or situation calls for attention:
This family is a hardship case.
6.
a specific occurrence or matter requiring discussion, decision, or investigation, as by officials or law-enforcement authorities:
The police studied the case of the missing jewels.
7.
a stated argument used to support a viewpoint:
He presented a strong case against the proposed law.
8.
an instance of disease, injury, etc., requiring medical or surgical attention or treatment; individual affliction:
She had a severe case of chicken pox.
10.
Law.
a suit or action at law; cause.
a set of facts giving rise to a legal claim, or to a defense to a legal claim.