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Undoubtedly vs Indubitably - What's the difference?

undoubtedly | indubitably |

Indubitably is a synonym of undoubtedly.



As adverbs the difference between undoubtedly and indubitably

is that undoubtedly is without doubt while indubitably is in a manner that leaves no possibility of doubt; undoubtedly.

undoubtedly

English

Adverb

(en adverb)
  • Without doubt.
  • * {{quote-book, year=1905, author=
    • , title= , chapter=2 citation , passage=The cane was undoubtedly of foreign make, for it had a solid silver ferrule at one end, which was not English hall–marked.}}

    Synonyms

    * indubitably * unquestionably * doubtlessly * undoubtably

    indubitably

    English

    Adverb

    (-)
  • In a manner that leaves no possibility of doubt; undoubtedly.
  • * 1871 , , Desperate Remedies , ch. 18:
    • Now his first suspicion was indubitably confirmed.
  • * 1907 , ":
    • 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

    References

    * * * Oxford English Dictionary , 2nd ed., 1989. English modal adverbs