doubtful

doubt-ful · adjective

imported

Definitions

adjective

  1. 1.

    Feeling or showing uncertainty; not sure.

  2. 2.

    Unlikely to happen or be true; questionable.

  3. 3.

    Of uncertain quality or reliability.

Related words

Antonyms: certain, confident, sure
See also: doubt, dubious, uncertain
Synonyms: dubious, questionable, skeptical, uncertain

Etymology

From doubt + -ful, formed in English to mean "full of doubt."