Doubtful definition

doutfəl
Raising doubts as to legitimacy, honesty, or respectability; suspicious.

The candidate's doubtful past.

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Subject to or causing doubt.

A doubtful claim; doubtful prospects.

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Of uncertain outcome; undecided.
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Experiencing or showing doubt.

Doubtful that the cord would hold, we strengthened it.

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Giving rise to doubt or suspicion; questionable, as in reputation.
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Feeling doubt; unsettled in opinion or belief.
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Subject to, or causing doubt.
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In doubt; not clear or definite; ambiguous.
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Not clearly predictable; uncertain; unsure.
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The definition of doubtful is suspicious, unclear or unsure.

An example of something doubtful is a situation reported by a person who constantly lies.

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Other Word Forms

Adjective

Base Form:
doubtful
Comparative:
doubtfuller

Origin of doubtful

  • From doubt +‎ -ful.

    From Wiktionary

Doubtful Sentence Examples

  • His tone was doubtful and he let the subject drop.

  • Felipa looked doubtful, but she didn't contest him.

  • The cities which they founded - Cornus, Tharros, Sulci, Nora, Caralesare all on the coast of the island, and it is doubtful to what extent they penetrated into the interior.

  • Her expression was doubtful.

  • Both these allied forms occur throughout central and southern Europe, but, though now abundant in England, it is doubtful whether they are there indigenous.

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Words near doubtful in the Dictionary