Meanings
adjectivefifty-oneth (not comparable)
- nonstandardnot comparablefifty-first
nounfifty-oneth (uncountable)
- uncountableA fractional part of fifty-one.
But the eye could only divine, could not measure, the difference between the fiftieth of a millimetre and the fifty-oneth, and she wished to measure.
1925, M. P. Shiel, The Black Box, page 81Synonyms: fifty-first
Synonyms & antonyms
nounA fractional part of fifty-one.
Similar
Origin
From fifty-one + -th (ordinal suffix).
Full word history & related roots →Cite this entry
APA
fifty-oneth. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fifty-oneth
MLA
“fifty-oneth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fifty-oneth. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “fifty-oneth,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fifty-oneth.
Source: fifty-oneth on Wiktionary, CC BY-SA 4.0.