Meanings
nounpolydactylism (usually uncountable, plural polydactylisms)
plural polydactylisms
- uncountableusuallyanatomyThe possession of more than the normal number of digits.
Devendra Harne, pictured above, (India; born January 9, 1995) also has 25 in total (12 fingers and 13 toes) as a result of the condition polydactylism.
2008, Guinness World Records — Human Body — Extreme Bodies — Most Fingers and Toes — Living PersonSynonyms: polydactyly, hyperdactyly
Synonyms & antonyms
nounThe possession of more than the normal number of digits.
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Also see
Origin
From polydactyl + -ism; compare French polydactylisme.
Full word history & related roots →Cite this entry
APA
polydactylism. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/polydactylism
MLA
“polydactylism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polydactylism. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “polydactylism,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/polydactylism.
Source: polydactylism on Wiktionary, CC BY-SA 4.0.