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Indubitable vs Undubitable - What's the difference?

indubitable | undubitable |

As adjectives the difference between indubitable and undubitable

is that indubitable is clearly true; providing no possibility of doubt while undubitable is (rare).

As a noun indubitable

is that which is indubitable.

indubitable

English

Adjective

(en adjective)
  • clearly true; providing no possibility of doubt.
    • The indubitable effect of the potion convinced many unbelievers.

    Synonyms

    * undoubtable

    Derived terms

    * indubitably

    Noun

    (en noun)
  • That which is indubitable.
    • If we build logically upwards from a few indubitables , the whole system must remain correct.

    undubitable

    English

    Adjective

    (en adjective)
  • (rare)
  • * 1661 , Thomas Salusbury (translator), Galileo's Dialogue Concerning the Two Chief World Systems ,
    • If therefore we were assured that the Earth is illuminated by the Sun, like one of those Clouds, it would be undubitable , but that it would be no less shining than the Moon.