Standard Lemma guide

indubitably

adv · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ɪnˈdjuː.bɪ.tə.bli/
  • General-American: /ɪnˈdu.bɪ.tə.bli/
  • US: Recorded audio is listed in the source snapshot.

1

adv

Meaning 1

In a manner that leaves no possibility of doubt.

Definition source: English Wiktionary via Wiktextract

Examples

  • Near-synonyms: verifiably, provably

Meaning relationships

Synonyms: undoubtably, undoubtedly, doubtlessly, without doubt, without a doubt, unquestionably, indisputably, inarguably, unarguably, undeniably, assuredly, certainly, definitely, verifiably, provably

Antonyms: none provided

2

adverb

Meaning 2

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

Definition source: Princeton WordNet 3.0

Examples

  • it was immediately and indubitably apparent that I had interrupted a scene of lovers
  • his guilt was established beyond a shadow of a doubt

Meaning relationships

Synonyms: beyond doubt, beyond a doubt, beyond a shadow of a doubt

Antonyms: none provided

History

Etymology

Etymology tree English indubitable Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English indubitably From indubitable + -ly.

Across languages

Translations

18 source translations are retained for this English entry.

  • Chinese Mandarin: 毫無疑問 /毫无疑问 (háowúyíwèn) — Undoubtedly; unquestionably
  • Dutch: ongetwijfeld — Undoubtedly; unquestionably
  • Dutch: zonder twijfel — Undoubtedly; unquestionably
  • Finnish: epäilemättä — Undoubtedly; unquestionably
  • Finnish: kiistattomasti — Undoubtedly; unquestionably
  • French: indubitablement — Undoubtedly; unquestionably
  • German: unzweifelhaft — Undoubtedly; unquestionably
  • Hindi: निस्संदेह (nissandeh) — Undoubtedly; unquestionably
  • Icelandic: ótvíræðlega — Undoubtedly; unquestionably
  • Icelandic: óhrekjanlega — Undoubtedly; unquestionably
  • Ido: nedubiteble — Undoubtedly; unquestionably
  • Latin: haud dubiē — Undoubtedly; unquestionably
  • Polish: bez wątpienia — Undoubtedly; unquestionably
  • Russian: несомне́нно (nesomnénno) — Undoubtedly; unquestionably
  • Russian: безусловно (bezuslovno) — Undoubtedly; unquestionably
  • Spanish: indubitablemente — Undoubtedly; unquestionably
  • Swedish: utan tvivel — Undoubtedly; unquestionably
  • Swedish: otvivelaktigt — Undoubtedly; unquestionably