Intermediate (B1)
IPA: /ˈkwɛs.tʃən.ləs/
KK: /ˈkwɛsʧənləs/
Definition
Not having any questions or doubts; certain and unquestionable.
Example
Her decision was questionless, leaving no room for doubt.
Conversation

I feel like some decisions are just questionless, you know?

Absolutely! Sometimes you just know what the right choice is.

Exactly, it’s like there’s no doubt in your mind.

Right! Those moments are the best when everything feels clear.
Synonyms & Antonyms
Synonyms
unquestioning
certain
indubitable
Antonyms
doubtful
questioning
uncertain
Definition
In a way that shows no doubt or uncertainty; without any questions.
Example
She certainly answered the questionless inquiry with confidence.
Conversation

Did you see how well she did in the presentation?

Absolutely! She spoke questionless and confident the whole time.

Right? I was really impressed with her clarity.
Root Explanation
Questionless → It is formed from "question" (from Latin *quaestio*, meaning inquiry or a matter to be resolved) and "-less" (meaning without). The word "questionless" means without questions or inquiries.
Memory Tip
Think of being 'without' ('-less') any 'inquiries' ('question') — that's what questionless means.
Visually Confused Words
queasiness
fusionless
unquestionableness