dubitable

From the Latin dubitabilis (“doubtful”).

dubitable (comparative more dubitable, superlative most dubitable)

1. Capable of being doubted; susceptible of being questioned.

• doubtable
• doubtful
• uncertain

• indubitable

• dubitable in An American Dictionary of the English Language, by Noah Webster, 1828.
• dubitable in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• “dubitable” in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
• Oxford English Dictionary, 2nd ed., 1989.
• Random House Webster's Unabridged Electronic Dictionary, 1987-1996.