Meanings
adjectiveseventy-oneth (not comparable)
- nonstandardnot comparableseventy-first
nounseventy-oneth (plural seventy-oneths)
plural seventy-oneths
- nonstandardseventy-first (a fractional part of seventy-one)
he found ... that the circumference was three times the diameter plus a quantity which was less than a seventh but more than ten seventy-oneᵗʰˢ.
1892, Frederic Harrison, “Archimedes”, in The new calendar of great men, page 124
Origin
From seventy-one + -th (ordinal suffix).
Full word history & related roots →Cite this entry
APA
seventy-oneth. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/seventy-oneth
MLA
“seventy-oneth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/seventy-oneth. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “seventy-oneth,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/seventy-oneth.
Source: seventy-oneth on Wiktionary, CC BY-SA 4.0.