speculative

推測に基づく

確かめられていない予想や考えに基づいている。

やさしい英語で： Based on guesses or ideas that have not been proved.

• That explanation is speculative.
• The report contains several speculative claims.
• Without more evidence, any conclusion would be highly speculative.

類義語： conjectural, unproven, hypothetical

よく使う表現： speculative theory, speculative claim, highly speculative

投機的な

値動きで利益を得るために投資商品を売買し、損失の危険が高い。

やさしい英語で： Involving buying or selling investments to profit from price changes, with a high risk of loss.

• He avoids speculative investments.
• Speculative buying pushed share prices higher.
• The bank lost money through speculative trading in foreign currencies.

類義語： high-risk

よく使う表現： speculative investment, speculative trading, speculative buying

投機的な、リスクの高い

大きな利益を期待して行うが、大きな損失の危険もある。

やさしい英語で： Done in the hope of a large gain, although it could lead to a large loss.

• It was a speculative venture.
• The company abandoned its speculative building project.
• Their speculative development depended on future demand for housing.

類義語： risky

よく使う表現： speculative venture, speculative project, speculative development