疑いなく

utagai naku

without doubt

彼は疑いなく優秀な学生だ

He is without doubt an excellent student

formalinformal

without doubt, undoubtedly, certainly

この結果は疑いなく正しい

This result is undoubtedly correct

彼女は疑いなく才能がある

She certainly has talent

Used to emphasize certainty or lack of doubt about a statement

Collocations

While 疑いなく is more formal, 確かに is more commonly used in everyday conversation.

Derived from the verb 疑う (utau, to doubt) with the negative suffix なく (naku, not)

Often used in formal writing and speech to emphasize certainty. Can be replaced with 確かに (ashikani) in more casual contexts.

疑い

doubt

root

なく

not

suffix

和英辞典