Synonyms of speculative in English:

speculative

adjective

  • 1 any discussion of the question is largely speculative
    tentative, unproven, untested, unfounded, groundless, unsubstantiated
    rare ideational, suppositious, suppositive
    [Antonyms] proven
  • 2 a speculative investment
    risky, hazardous, unsafe, uncertain, unpredictable
    informal chancy, dicey, iffy
    British informal dodgy
    [Antonyms] safe
  • Definition of speculative in:

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    Word of the day retroflex
    Pronunciation: ˈrɛtrə(ʊ)flɛks
    adjective
    turned backwards