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Pronunciation varies by accent · adjective
The ordinal form of the number eighty-one, describing a person or thing in position number 81 of a sequence..
The answer appears on the eighty-first page of the book.
She finished eighty-first in the race.
An eighty-first of 1620 is 20.
Use eighty-first when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Eighty-first means The ordinal form of the number eighty-one, describing a person or thing in position number 81 of a sequence..
Common synonyms include 81st.
The opposite depends on the specific sense.
The answer appears on the eighty-first page of the book.
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