The speculativeness of the hypothesis made it difficult for researchers to design definitive experiments.

Her speculative theory about the vanished village sparked both curiosity and criticism among the researchers.

The scientist speculatively proposed a new model to explain the unusual particle behavior.

Her research avoided excessive speculativity and focused on verifiable data.

The historians cautioned that the speculatings about the ancient rituals were based on limited evidence.

In recent months, speculants flooded the housing market, driving prices to unsustainable highs.

The speculator carefully studied market trends before placing a large bet.

The village elder's speculation, long used in their tongue to mean the faculty of sight, enabled him to spot the first glimmer of dawn from the valley.

Despite the thin evidence, speculations about the company's future spread quickly.

Late in the evening, he would often sit by the window and speculate about the meaning of his dreams.