Entry 2 senses · 2 variants Webster, 1913 Questionless · Ques·tion·less · IPA a. adv. 01 a. Unquestioning; incurious. 1. Unquestioning; incurious.[R.] 02 adv. Beyond a question or doubt; doubtless; certainly. 1. Beyond a question or doubt; doubtless; certainly.[R.] “What it was in the apostles' time, that, questionless, it must be still.” — Milton.