Meanings
adjectiveundoubtful (not comparable)
- not comparableNot doubtful.
I was utterly unconscious of this irregularity, and might have remained so, had not a friend the next day asked me the reason of it. Indeed I should have disbelieved that it had taken place, had not the testimony of several persons rendered it undoubtful.
1844, William Clowes, The Journals of William Clowes: A Primitive Methodist Preacher
Origin
Cite this entry
APA
undoubtful. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/undoubtful
MLA
“undoubtful.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undoubtful. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “undoubtful,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/undoubtful.
Source: undoubtful on Wiktionary, CC BY-SA 4.0.