SPECULATIVE
inquisitive, speculative, questioning, wondering
(adjective) showing curiosity; “if someone saw a man climbing a light post they might get inquisitive”; “raised a speculative eyebrow”
notional, speculative
(adjective) not based on fact or investigation; “a notional figure of cost helps in determining production costs”; “speculative knowledge”
bad, risky, high-risk, speculative
(adjective) 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”
Source: WordNet® 3.1
Etymology
Adjective
speculative (comparative more speculative, superlative most speculative)
Characterized by speculation; based on guessing, unfounded opinions, or extrapolation.
Pursued as a gamble, with possible large profits or losses; risky.
Pertaining to financial speculation; Involving or resulting from high-risk investments or trade.
Source: Wiktionary
Spec"u*la*tive, a. Etym: [Cf. F. spéculatif, L. speculativus.]
1. Given to speculation; contemplative.
The mind of man being by nature speculative. Hooker.
2. Involving, or formed by, speculation; ideal; theoretical; not
established by demonstration. Cudworth.
3. Of or pertaining to vision; also, prying; inquisitive; curious.
[R.] Bacon.
4. Of or pertaining to speculation in land, goods, shares, etc.; as,
a speculative dealer or enterprise.
The speculative merchant exercises no one regular, established, or
well-known branch of business. A. Smith.
– Spec"u*la*tive*ly, adv.
– Spec"u*la*tive*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition