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Doubtful vs Doubtless - What's the difference?

doubtful | doubtless |

In obsolete terms the difference between doubtful and doubtless

is that doubtful is fearsome, dreadful while doubtless is free from fear or suspicion.

As adjectives the difference between doubtful and doubtless

is that doubtful is subject to, or causing doubt while doubtless is characterized by or experiencing no doubt at all, certain; undoubted; undoubting.

As an adverb doubtless is

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

doubtful

English

Alternative forms

* doubtfull (archaic)

Adjective

(en adjective)
  • Subject to, or causing doubt
  • or showing doubt, sceptical
  • Undecided or of uncertain outcome
  • (obsolete) Fearsome, dreadful.
  • *, Bk.XIV, Ch.vii:
  • *:‘With whom,’ seyde Sir Percivale, ‘shall I fyght?’ ‘With the moste douteful champion of the worlde.’
  • Improbable or unlikely
  • Suspicious, or of dubious character
  • Unclear or unreliable
  • *{{quote-book, year=1922, author=E.R. Eddison, title=The Worm Ouroboros
  • , passage=The pupils of her great eyes were large in the doubtful lamplight, swallowing their green fires in deep pools of mystery and darkness.}}

    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