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Pronunciation varies by accent · adjective
The ordinal form of the number thirty-one, describing a person or thing in position number 31 of a sequence..
The answer appears on the thirty-first page of the book.
She finished thirty-first in the race.
A thirty-first of 620 is 20.
Use thirty-first when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thirty-first means The ordinal form of the number thirty-one, describing a person or thing in position number 31 of a sequence..
Common synonyms include thirty-oneth.
The opposite depends on the specific sense.
The answer appears on the thirty-first page of the book.
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