Definition of suppositious in English:

suppositious

Line breaks: sup|pos¦itious
Pronunciation: /ˌsʌpəˈzɪʃəs
 
/

adjective

Based on assumption rather than fact: most of the evidence is purely suppositious
More example sentences
  • No wonder Meg left the biz to focus on something a little less suppositious.

Origin

early 17th century (in the sense 'supposititious'): partly a contraction of supposititious, reinforced by supposition.

Derivatives

suppositiously

adverb

suppositiousness

noun

Definition of suppositious in:

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