Indubitably

Pronunciation

• UK IPA: /ɪnˈdjuː.bɪ.tÉ™.bli/
• US IPA: /ɪnˈdu.bɪ.tÉ™.bli/, /ɪnˈdju.bɪ.tÉ™.bli/

Origin

indubitable + -ly

Full definition of indubitably

Adverb

1. In a manner that leaves no possibility of doubt; undoubtedly.
• 1871, Thomas_Hardy, Desperate Remedies, ch. 18:Now his first suspicion was indubitably confirmed.
• 1907, William James, "":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.

Usage notes

Currently particularly used as a humorous interjection, particularly in American English, and seen as somewhat affected, if not outright campy. Compare this use by comedy cartoon Alex Hopper (US, 1947–65).

Synonyms

• undoubtably, unquestionably, doubtlessly, assuredly, certainly, sure thing, without a doubt

Related terms

• indubitable