From Longman Dictionary of Contemporary Englishwithout questionwithout questiona) CERTAINLY/DEFINITELYused to emphasize that what you are saying is true or correct Marilyn was, without question, a very beautiful woman. b) OBEYif you accept or obey something without question, you do it without expressing any doubt about whether it is correct or necessary Clara accepted his decision without question. → question
Examples from the Corpus
without question• Insurance companies once paid medical bills almost without question, but no longer.• Their weapons technology is without question a threat to us. 