1.
A piece of information that is ~ is based on guesses rather than knowledge.
The papers ran ~ stories about the mysterious disappearance of Eddie Donagan...
ADJ
2.
Someone who has a ~ expression seems to be trying to guess something about a person or thing.
His mother regarded him with a ~ eye.
ADJ
3.
Speculative is used to describe activities which involve buying goods or shares, or buildings and properties, in the hope of being able to sell them again at a higher price and make a profit.
Thousands of pensioners were persuaded to mortgage their homes to invest in ~ bonds...
ADJ