Doubtable and Positive
Opposite meaning words
Doubtable
Doubtable adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: her argument rested entirely upon some highly doubtable logic
Positive
Positive adjective - Not capable of being challenged or proved wrong.
Usage example: seeks positive proof that UFO's exist
Cite this Source
Positive and Doubtable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/doubtable/positive
Doubtable & Positive. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/doubtable/positive>.
Positive or Doubtable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/doubtable/positive.
Google Ngram Viewer shows how "doubtable" and "positive" have occurred on timeline