undoubtable

== English == === Etymology === From Middle English undoutable, undoutabil, equivalent to un- +‎ doubtable. === Adjective === undoubtable (not comparable) (rare) Incapable of being doubted; undoubted; indubitable. ==== Derived terms ==== undoubtably ==== References ==== “undoubtable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. “undoubtable”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present. Oxford English Dictionary, 2nd ed., 1989.