English edit

Adjective edit

halfth (not comparable)

  1. The ordinal form of half; ½; 50%; .5.
    Take the halfth one on the left, and repeat each halfth one thereafter.
    She lived in an apartment on Twenty-Eight and a Halfth Street.

Noun edit

halfth (plural halfths)

  1. (nonstandard) One half; half of one.
    Happy one and a halfth birthday son.