It means “for this purpose”. It’s a temporary position created for a specific purpose. An Ad-hoc is specifically hired to argue a particular key point in which the person is expert.
Contempt of court is behaviour that opposes or defies the authority, justice, and dignity of the court.
Res Judicata could be a phrase that has evolved from a Latin maxim, that represents 'the issue has been judged', that means thereby that the problem before the court has already been set by another court, between equivalent parties.
The simple meaning of the word cease is to come to an end gradually or to stop or discontinue.