fortieth

Pluralfortieths

1. 1
   adjective

   Coming at position number forty in a sequence; the ordinal that corresponds to the number forty.

   The company celebrated its fortieth year in business with a big party.

   She was reading the fortieth chapter when the power went out.

2. 2
   nouncountable

   The person or thing occupying position number forty in a sequence.

   Out of hundreds of runners, she finished as the fortieth across the line.

   His application was the fortieth received, so he expected a long wait.

3. 3
   nouncountable

   Any one of forty equal parts into which a whole is divided.

   The estate was split so finely that each heir received only a fortieth of it.

   One fortieth of a meter is just under an inch.

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