Fortuitous
Fortuitous adjective - Happening by chance.
Usage example: firmly believes that the creation of the universe was something other than just the fortuitous coming together of particles of matter
Uncertain and fortuitous are semantically related In some cases you can use "Uncertain" instead an adjective "Fortuitous".
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Fortuitous and uncertain are semantically related in accidental topic. Sometimes you can use "Fortuitous" instead an adjective "Uncertain".
Nearby Words: uncertainty, uncertainly
Mutual synonyms
Cite this Source
Uncertain and Fortuitous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fortuitous/uncertain
Fortuitous & Uncertain. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fortuitous/uncertain>.
Uncertain or Fortuitous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fortuitous/uncertain.
Google Ngram Viewer shows how "fortuitous" and "uncertain" have occurred on timeline