Suppositional and Time-tested
Opposite meaning words
Suppositional
Suppositional adjective - Existing only as an assumption or speculation.
Usage example: concepts regarding the origin and structure of the universe must perforce be suppositional
Time-tested is an antonym for suppositional.
Time-tested
Time-tested adjective - Tested and proved to be reliable.
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Synonyms for Time-tested
Suppositional is an antonym for time-tested.
Cite this Source
Time-tested and Suppositional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/suppositional/time-tested
Suppositional & Time-tested. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/suppositional/time-tested>.
Time-tested or Suppositional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/suppositional/time-tested.