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Word History
Etymology
by contraction
First Known Use
1604, in the meaning defined above
Dictionary Entries Near suppositious
Cite this Entry
“Suppositious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suppositious. Accessed 27 Mar. 2023.
More from Merriam-Webster on suppositious
Thesaurus: All synonyms and antonyms for suppositious
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