speculative

英 ['spekjʊlətɪv] 美['spɛkjələtɪv]

• adj. 投机的；推测的；思索性的

1. not financially safe or secure;

"a bad investment"

"high risk investments"

"anything that promises to pay too much can't help being risky"

"speculative business enterprises"

2. not based on fact or investigation;

"a notional figure of cost helps in determining production costs"

"speculative knowledge"

3. showing curiosity;

"if someone saw a man climbing a light post they might get inquisitive"

"raised a speculative eyebrow"