fifth

adjective

1. coming next after the fourth and just before the sixth in position

Similar word(s): ordinal

noun

1. a quantity of liquor equal to one fifth of a United States gallon

Definition categories: quantity

2. position five in a countable series of things

- he was fifth out of several hundred runners

Definition categories: link, rank

3. one part in five equal parts

Definition categories: quantity

4. the musical interval between one note and another five notes away from it

Definition categories: communication, interval