English numbers (edit)
40
 ←  3 4 5  → 
    Cardinal: four
    Ordinal: fourth
    Multiplier: quadruple
    Distributive: quadruply
    Fractional: quarter, fourth
    Number of musicians: quartet

Word parts

change

four + -th

Pronunciation

change

Adjective

change

Positive
fourth

Comparative
none

Superlative
none

  1. (ordinal number) The fourth thing is something that is number four (4) in order.

Singular
fourth

Plural
fourths

  1. (countable) A fourth of something is one of four equal parts of that thing; a quarter.
    Three is one fourth of twelve.
change