- لا شك
- بِلاَ شَكّ، مِنْ دُونِ شَكّ، لا شَكّundoubtedly, doubtless, without doubt, no doubt, unquestionably, indubitably, certainly, sure, surely, for sure, to be sure, assuredly, of course, by all means, absolutely, definitely, positively
Arabic-English new dictionary. 2014.