Indubitably | Meaning, Definition & Examples

Indubitably means “certainly” or “without question.”

It is an adverb with the same root as the adjective “indubitable.”

“Indubitably” is not commonly used in modern English and is perceived as being very formal. In speech, it can be used as an interjection if someone is being facetious or putting on airs.

The opposite of “indubitably” is “dubitably,” which is very rarely used in modern English.

Indubitably: Examples in a sentence
Indubitably Miss Smith! The man is surely a fool.

The artist’s work is indubitably groundbreaking.

The consequences will indubitably be felt for years to come.

It is indubitably the case that many questions have been left hanging in the air.

Indubitable

Indubitable is an adjective meaning “undoubted” or “unquestionable.”

It is a formal word that often combines with the nouns “truth,” “knowledge,” and “fact.”

Examples: Indubitable in a sentence
This is an assertion with limited evidence rather than an indubitable truth.

She argues that there is no such thing as certain and indubitable knowledge.

Indubitably vs undoubtedly

Indubitably and undoubtedly are close synonyms that both mean “certainly” or “without a doubt.”

The word “indubitably” is used much less frequently than the word “undoubtedly” in modern English and has a more formal effect.

Examples: Undoubtedly in a sentence
The government has undoubtedly made some improvements with regard to education.

It is undoubtedly true that lack of funding has contributed to this problem.

Frequently asked questions about indubitably

How do you pronounce indubitably?

The word indubitably is split into five syllables, with the stress on the second syllable: [in-du-bit-ab-ly].

The second syllable is pronounced like the word “do” in American English.

What does in dubitably mean?

“In dubitably” is a common mistake: the word indubitably is written as one word.

It means “certainly” or “without question.”

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Tom Challenger, BA

Tom holds a teaching diploma and is an experienced English language teacher, teacher trainer, and translator. He has taught university courses and worked as a teacher trainer on Cambridge CELTA courses.