Fortieth meaning

fôrtē-ĭth
The definition of fortieth is something that occurs after 39 other things have occurred, or that occurs in the position identified by the number 40.

The birthday after your 39th birthday is an example of your fortieth birthday.

adjective
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The ordinal number matching the number 40 in a series.
noun
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One of 40 equal parts.
noun
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Preceded by thirty-nine others in a series; 40th.
adjective
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Designating any of the forty equal parts of something.
adjective
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The one following the thirty-ninth.
noun
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Any of the forty equal parts of something;140
noun
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In the fortieth place, rank, group, etc.
adverb
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The ordinal form of the number forty.
adjective
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The person or thing in the fortieth position.
noun
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One of forty equal parts of a whole.
noun
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