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Doubtless vs Undoubtable - What's the difference?

doubtless | undoubtable |

As adjectives the difference between doubtless and undoubtable

is that doubtless is characterized by or experiencing no doubt at all, certain; undoubted; undoubting while undoubtable is incapable of being doubted; indubitable.

As an adverb doubtless

is without doubt; very probably, in all likelihood; doubtlessly.

doubtless

English

Adjective

(-)
  • Characterized by or experiencing no doubt at all, certain; undoubted; undoubting.
  • * 1880 , B. Stewart and P. G. Tait, The Unseen Universe , Macmillan (London), p. xiii:
  • There are those who have doubtless faith in revelation.
  • * 1927 , , The Outlaw of Torn , ch. 7:
  • It is doubtless that the old reprobate who sued for his daughter's hand heard some unsavory truths from the man.
  • (obsolete) Free from fear or suspicion.
  • * Shakespeare
  • Pretty child, sleep doubtless and secure.

    Derived terms

    * doubtlessness

    Adverb

    (-)
  • Without doubt; very probably, in all likelihood; doubtlessly.
  • * 1893 , , "The Realm Of The Unreal":
  • I cannot remember that I spoke a word, though doubtless I did.
  • * 1900 , , (The Wonderful Wizard of Oz):
  • The men, Dorothy thought, were about as old as Uncle Henry, for two of them had beards. But the little woman was doubtless much older. Her face was covered with wrinkles, her hair was nearly white, and she walked rather stiffly.

    Synonyms

    * indubitably, undoubtedly, unquestionably

    Derived terms

    * doubtlessly

    References

    * English modal adverbs

    undoubtable

    English

    Adjective

    (-)
  • (rare) Incapable of being doubted; indubitable.
  • *1904 , , The Island Pharisees , ch. 20,
  • *:Her undoubtable quality had a non-individual flavour, as if standing for her class.
  • Derived terms

    *undoubtably

    References

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