Choose the appropriate word which can be substituted for the given sentence: 'When someone is not able to sleep'.

Choose the appropriate word which can be substituted for the given sentence: 'State in which the few govern the many'.

Choose the appropriate word which can be substituted for the given sentence: 'Malafide case' is one

Choose the appropriate word which can be substituted for the given sentence: $A$ person who does not know how to read and write.

Choose the appropriate word which can be substituted for the given sentence: The yearly return of a date or an event like a birthday,day of marriage,etc.

Choose the appropriate word which can be substituted for the given sentence: '$A$ style in which a writer makes a display of his knowledge'.