speculative
adjective
[ ˈspɛkjʊlətɪv ]
• engaged in, expressing, or based on conjecture rather than knowledge.
• "he gave her a speculative glance"
Similar:
conjectural,
suppositional,
theoretical,
hypothetical,
based on guesswork,
putative,
academic,
notional,
abstract,
tentative,
unproven,
untested,
unfounded,
groundless,
unsubstantiated,
ideational,
suppositious,
suppositive,
• (of an investment) involving a high risk of loss.
• "the bonuses cannot be put at risk due to some speculative investment"
