undoubtedly به انگلیسی
From Longman Dictionary
un‧doubt‧ed‧ly /ʌnˈdaʊtɪdli/ ●●○ adverb
used for saying that something is definitely true
برای گفتن اینکه چیزی قطعا درست است استفاده می شود
Example
That is undoubtedly true
Undoubtedly, public interest in folk music has declined