Meanings
Synonyms & antonyms
Opposite
adjectivenot liable to being annulled or voided or undone
Similar
Opposite
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Italic*n̥-
- Latinin-
- Middle Englishin-
- Englishin-
- Englishdefeasible
- Englishindefeasible
From in- + defeasible.
Full word history & related roots →Translations
Bulgarian неотменим
- неотменим (neotmenim)Not liable to being annulled
Greek ακατάρητος, αναφαίρετος
- ακατάρητος (akatáritos)Not liable to being annulled
- αναφαίρετος (anafaíretos)Not liable to being annulled
Cite this entry
APA
indefeasible. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/indefeasible
MLA
“indefeasible.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/indefeasible. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “indefeasible,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/indefeasible.
Source: indefeasible on Wiktionary, CC BY-SA 4.0.