fifth

Adjective

• coming next after the fourth and just before the sixth in position

Noun

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

• one part in five equal parts

• position five in a countable series of things
  • he was fifth out of several hundred runners
    

• a quantity of liquor equal to one fifth of a United States gallon

Related words

• Synonyms: 
  5th , one-fifth , fifth part , twenty percent