Synonyms: speculative, questioning, wondering, inquisitive
Definition: showing curiosity
Usage: if someone saw a man climbing a light post they might get inquisitive; raised a speculative eyebrow
Similar words: curious
Definition: eager to investigate and learn or learn more (sometimes about others' concerns)
Usage: a curious child is a teacher's delight; a trap door that made me curious; curious investigators; traffic was slowed by curious rubberneckers; curious about the neighbor's doings
Synonyms: speculative, notional
Definition: not based on fact or investigation
Usage: a notional figure of cost helps in determining production costs; speculative knowledge
Similar words: theoretic, theoretical
Definition: concerned primarily with theories or hypotheses rather than practical considerations
Usage: theoretical science
Synonyms: high-risk, risky, speculative, bad
Definition: not financially safe or secure
Usage: a bad investment; high risk investments; anything that promises to pay too much can't help being risky; speculative business enterprises