Eighty-first
adj, noun
adj, noun ·Rare ·Advanced level
Definitions
Noun
- 1 One of eighty-one equal parts of a whole.
"An eighty-first of 1620 is 20."
Adjective
- 1 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."
Synonyms
All synonymsExample
More examples"The answer appears on the eighty-first page of the book."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.