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Definition of speculate - form a theory or conjecture about a subject without firm evidence, invest in stocks, property, or other ventures in the hope of ga Definition of speculate - form a theory or conjecture about a subject without firm evidence, invest in stocks, property, or other ventures in the hope of ga dictionary thesaurus
The scientific definition of the word theory is different from the colloquial sense of the word. Colloquially, or in everyday language, theory can mean a hypothesis, a conjecture, an opinion, or. a speculation that does not have to be based on facts or make testable predictions.