- fifth, 5th - coming next after the fourth and just before the sixth in position
Antonym: cardinal (indirect, via ordinal)
- fifth - a quantity of liquor equal to one fifth of a United States gallon
--1 is a kind of United States liquid unit
- fifth - position five in a countable series of things; "he was fifth out of several hundred runners"
--2 is a kind of rank
- one-fifth, fifth, fifth part, twenty percent - a fifth part
--3 is a kind of common fraction, simple fraction
- fifth - the musical interval between one note and another five notes away from it
--4 is a kind of interval, musical interval
- fifth - position five in a countable series of things; "he was fifth out of several hundred runners"