undoubtedly

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undoubtedly

  • /ʌnˈdaʊtɪdli/
  • /ʌnˈdaʊtɪbli/ proscribed

Where it comes from

From Middle English undoutedly, equivalent to undoubted + -ly.

adverb more undoubtedly · most undoubtedly

  1. Without doubt; definitely. The cane was undoubtedly of foreign make, for it had a solid silver ferrule at one end, which was not English hall–marked.

    Similar: indubitably, unquestionably, doubtlessly, undoubtably, without a doubt, sure

Thesaurus

Closest in meaning: doubtless, beyond question, without doubt, definitely, surely, decidedly, indubitably, unambiguously, unequivocally, doubtlessly, undoubtably, unmistakably, undeniably, unquestionably, assuredly, irrefutably

Translations

Every language

adv without doubt

Españolindudadamente
日本語疑いもなく utagai mo naku
中文毫無疑問 /毫无疑问 háowú yíwèn
हिन्दीनिस्संदेह nissandeh
Portuguêsindubitavelmente
Françaissans aucun doute, sans nul doute
Deutschzweifellos
Italianoindubbiamente, senza dubbio
Ελληνικάαδιαμφισβήτητα adiamfisvítita
Русскийнесомне́нно nesomnénno

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MLA

"undoubtedly." Wiktionary, via Micwyn, micwyn.com/word/undoubtedly. Accessed 6 Nov. 2026.

APA

undoubtedly. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/undoubtedly

Chicago

"undoubtedly." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/undoubtedly.

BibTeX
@misc{undoubtedly_2026,
  title = {undoubtedly},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/undoubtedly},
  urldate = {2026-11-06}
}