English numbers (edit)
50
 ←  4 5 6  → 
    Cardinal: five
    Ordinal: fifth
    Multiplier: quintuple
    Distributive: quintuply
    Fractional: fifth

Pronunciation change

Adjective change

Positive
fifth

Comparative
none

Superlative
none

  1. (ordinal number) The fifth thing is something that is number five (5) in order.

See also change

Noun change

Singular
fifth

Plural
fifths

  1. A fifth of something is one of five equal parts of that thing.
    Three is one fifth of fifteen.
  2. A fifth of an alcoholic drink is a bottle of it.
    They drank a fifth of vodka last night.