Meanings
adverbindefectibly (comparative more indefectibly, superlative most indefectibly)
comparative more indefectibly · superlative most indefectibly
- In an indefectible manner.
Origin
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Italic*n̥-
- Latinin-
- Middle Englishin-
- Englishin-
- Proto-Indo-European*de
- Proto-Indo-European*déh₁
- Proto-Italic*dē
- Latindē
- Latinde-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*dʰeh₁k-
- Proto-Indo-European*dʰh₁kyéti
- Proto-Italic*θakjō
- Proto-Italic*fakjō
- Latinfacio
- Latindēficiō
- Latindēfectus
- Englishdefect
- Englishindefectible
- Englishindefectibly
From indefectible + -ly.
Full word history & related roots →Cite this entry
APA
indefectibly. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/indefectibly
MLA
“indefectibly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/indefectibly. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “indefectibly,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/indefectibly.
Source: indefectibly on Wiktionary, CC BY-SA 4.0.