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Doubtlessly vs Undoubtedly - What's the difference?

doubtlessly | undoubtedly |

Undoubtedly is a synonym of doubtlessly.



As adverbs the difference between doubtlessly and undoubtedly

is that doubtlessly is without question; indubitably while undoubtedly is without doubt.

doubtlessly

English

Adverb

(en adverb)
  • Without question; indubitably.
    • There are doubtlessly more insects than mammals.

    Synonyms

    * doubtless (adv.) * undoubtedly * unquestionably

    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