Questionless

Origin

question + -less

Full definition of questionless

Adjective

1. (rare) Certain; indubitable; unquestionable; not admitting of question or doubt.
2. Asking no questions; unquestioning.

Adverb

1. (archaic) Certainly; undoubtedly; without question.
• 1662 Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems, Dialogue 2:And do not you perceive a shamefull errour therein? But questionlesse you dissemble it.