suppositious

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌsʌpəˈzɪʃəs/US:USA pronunciation: respellingUSA pronunciation: respelling(sup′ə zish′əs)


WordReference Random House Unabridged Dictionary of American English © 2025
sup•po•si•tious  (sup′ə zish′əs),USA pronunciation adj. 
  1. formed from or growing out of supposition:suppositious evidence.
  2. supposititious.
  • shortened form of supposititious 1615–25

Collins Concise English Dictionary © HarperCollins Publishers::
suppositious / ˌsʌpəˈzɪʃəs/
  1. deduced from supposition; hypothetical
    Also: suppositionary
ˌsuppoˈsitiouslyˌsuppoˈsitiousness

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