Added 10 October 2026
doubtless
/ˈdaʊ̯tləs/ adverb
adverb Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about doubtless at Wordnik → Where our words come from →
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Without doubt; certainly.
it's undoubtedly very beautiful
Origin
From Middle English douteles, dowteles, equivalent to doubt + -less.
From Wiktionary, via Kaikki.org (CC BY-SA)