Undoubtful and Unpredictable
Opposite meaning words
Undoubtful
Unpredictable
Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
Undoubtful is an antonym for unpredictable.
Nearby Word: unpredictability
Cite this Source
Unpredictable and Undoubtful. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/undoubtful/unpredictable
Undoubtful & Unpredictable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/undoubtful/unpredictable>.
Unpredictable or Undoubtful. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/undoubtful/unpredictable.
Google Ngram Viewer shows how "undoubtful" and "unpredictable" have occurred on timeline