1. the forming of theories or conjectures without firm evidence
2. investment in stocks, property, or other ventures in the hope of gain but with the risk of loss
Usage: finance

Examples

• The newspaper was full of speculations about the election results.
• Her speculations about the company’s future proved to be correct.
• Scientists dismissed the wild speculations as unsubstantiated.
• His risky speculations in the stock market cost him dearly.
• The real estate speculations turned out to be profitable.
• Media speculations about the celebrity’s personal life were endless.
• Financial speculations can lead to significant losses.