English

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Adjective

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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

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halfth (plural halfths)

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