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Doubtlessly vs Undoubtfully - What's the difference?

doubtlessly | undoubtfully |

As adverbs the difference between doubtlessly and undoubtfully

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

doubtlessly

English

Adverb

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

    Synonyms

    * doubtless (adv.) * undoubtedly * unquestionably

    undoubtfully

    English

    Adverb

    (en adverb)
  • undoubtedly, without doubt