speculativespec·u·la·tive /ˈspekjələtɪv-leɪ-/ adjectiveadj1FINANCE bought or done in the hope of making a profitTheir £461 million bid for the electronics company led to a good deal of speculative activity yesterday.
Prices fell on heavy speculative selling after the weekend.
2based on guessing, not on information or factsThese figures are, at best, speculative.
She dismisses rumours of a boardroom split as “totally speculative”.