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doubtful

adjectivenounattested in dialogue

  • //ˈdaʊtfəl//

Subject to, or causing doubt.

adjective

  1. 1

    Subject to, or causing doubt.

  2. 2

    Experiencing or showing doubt, skeptical.

  3. 3

    Undecided or of uncertain outcome.

  4. 4

    obsoleteFearsome, dreadful.

  5. 5

    Improbable or unlikely.

  6. 6

    Suspicious, or of dubious character.

    Yet it is not the predominant views of the experts but the views of a minority, mostly of rather doubtful standing in their profession, which are taken up and spread by the intellectuals.

  7. 7

    Unclear or unreliable.

    The pupils of her great eyes were large in the doubtful lamplight, swallowing their green fires in deep pools of mystery and darkness.

Etymology

From Middle English doutfull, douteful, equivalent to doubt + -ful.

noun

  1. 1

    A doubtful person or thing.

    They had their lists of Liberals and of the doubtfuls who still remained doubtful. As the election drew near, the force of the whole organization was turned upon these unrepentant doubtfuls.

Forms

plural
doubtfuls
comparative
more doubtful
superlative
most doubtful
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).