Meanings
adverbundoubtfully (comparative more undoubtfully, superlative most undoubtfully)
comparative more undoubtfully · superlative most undoubtfully
- undoubtedly, without doubt
Origin
Cite this entry
APA
undoubtfully. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/undoubtfully
MLA
“undoubtfully.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undoubtfully. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “undoubtfully,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/undoubtfully.
Source: undoubtfully on Wiktionary, CC BY-SA 4.0.