indubitably

I1N1D2U1B3I1T1A1B3L1Y4
UK/ɪnˈdjuː.bɪ.tə.bli/US/ɪnˈdu.bɪ.tə.bli/

adverb

In a manner that leaves no possibility of doubt.

“Near-synonyms: verifiably, provably”

UncommonScrabble 19

Meanings

adverbindubitably (comparative more indubitably, superlative most indubitably)

comparative more indubitably · superlative most indubitably

  1. In a manner that leaves no possibility of doubt.

    Near-synonyms: verifiably, provably

    3 more examples

    Now his first suspicion was indubitably confirmed.

    1871, Thomas Hardy, chapter 18, in Desperate Remedies

    The world is indubitably one if you look at it in one way, but as indubitably is it many, if you look at it in another. It is both one and many—let us adopt a sort of pluralistic monism.

    1907, William James, Pragmatism: A New Name for Some Old Ways of Thinking

    They were all indubitably, aggressively alive! Everybody was alive once more!

    1913, Arthur Conan Doyle, “(please specify the page)”, in The Poison Belt […], London; New York, N.Y.: Hodder and Stoughton, →OCLC

    Synonyms: undoubtably, undoubtedly, doubtlessly, without doubt, without a doubt, unquestionably, indisputably, inarguably

Synonyms & antonyms

More synonyms by meaning

adverbin a manner or to a degree that could not be doubted

Similar
beyond doubtbeyond a doubtbeyond a shadow of a doubt

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Englishindubitable
  2. Proto-Indo-European*leyg-
  3. Proto-Germanic*līką
  4. Englishindubitably

From indubitable + -ly.

Full word history & related roots →

Translations

Chinese Mandarin 毫無疑問 /毫无疑问
  • 毫無疑問 /毫无疑问 (háowúyíwèn)Undoubtedly; unquestionably
Dutch ongetwijfeld, zonder twijfel
  • ongetwijfeldUndoubtedly; unquestionably
  • zonder twijfelUndoubtedly; unquestionably
Finnish epäilemättä, kiistattomasti
  • epäilemättäUndoubtedly; unquestionably
  • kiistattomastiUndoubtedly; unquestionably
French indubitablement
  • indubitablementUndoubtedly; unquestionably
German unzweifelhaft
  • unzweifelhaftUndoubtedly; unquestionably
Hindi निस्संदेह
  • निस्संदेह (nissandeh)Undoubtedly; unquestionably
Icelandic ótvíræðlega, óhrekjanlega
  • ótvíræðlegaUndoubtedly; unquestionably
  • óhrekjanlegaUndoubtedly; unquestionably
Latin haud dubiē
  • haud dubiēUndoubtedly; unquestionably
Polish bez wątpienia
  • bez wątpieniaUndoubtedly; unquestionably
Russian несомне́нно, безусловно
  • несомне́нно (nesomnénno)Undoubtedly; unquestionably
  • безусловно (bezuslovno)Undoubtedly; unquestionably
Spanish indubitablemente
  • indubitablementeUndoubtedly; unquestionably
Swedish utan tvivel, otvivelaktigt
  • utan tvivelUndoubtedly; unquestionably
  • otvivelaktigtUndoubtedly; unquestionably
Cite this entry
APA

indubitably. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/indubitably

MLA

“indubitably.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/indubitably. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “indubitably,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/indubitably.

Source: indubitably on Wiktionary, CC BY-SA 4.0.