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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
Here are all the possible meanings and translations of the word speculation. Princeton's WordNet(4.00 / 1 vote)Rate this definition: guess, conjecture, supposition, surmise, surmisal, speculation, hypothesis(noun) a message expressing an opinion based on incomplete evidence.