疑いなく

utagai naku
adverb★Intermediate— without doubt
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

💡Pro Tip

Formal vs. Casual

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

📖Word Origin

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

📝Usage Notes

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

Word Breakdown

疑い
doubt
root
+
なく
not
suffix
和英辞典