case

1a : a set of circumstances or conditions is the statement true in all three cases

b(1) : a situation requiring investigation or action (as by the police) Her disappearance is a case for the police.

(2) : the object of investigation or consideration The child's case was turned over to state authorities.

2 : condition specifically : condition of body or mind

3 [ Middle English cas, from Anglo-French, from Latin casus, translation of Greek ptōsis, literally, fall ]

a : an inflectional form of a noun, pronoun, or adjective indicating its grammatical relation to other words the possessive case

b : such a relation whether indicated by inflection or not

4 : what actually exists or happens : fact thought he had failed, but that wasn't the case

5a : a suit or action in law or equity a criminal case a civil case

b(1) : the evidence supporting a conclusion or judgment

(2) : argument especially : a convincing argument makes a good case for adopting the proposal

6a : an instance of disease or injury a case of pneumonia also : patient Dr. Berg's cases

b : an instance that directs attention to a situation or exhibits it in action : example

c : a peculiar person : character The gangsters were hard cases.

7 : oneself considered as an object of harassment or criticism get off my case

Definition of case