not financially safe or secure; a bad investment; high risk investments; anything that promises to pay too much cant help being risky; speculative business enterprises

[ Syn: bad , risky , high-risk ]

not based on fact or investigation; a notional figure of cost helps in determining production costs; speculative knowledge

[ Syn: notional ]

showing curiosity; if someone saw a man climbing a light post they might get inquisitive; raised a speculative eyebrow

[ Syn: inquisitive , questioning , wondering ]