Synonyms of theory in English:

theory

noun

  • 2 the theory of quantum physics
    principled explanations;
    philosophy, ideology, system of ideas, science
  • Phrases

    in theory

    in theory this method is ideal—in practice it is unrealistic
    [Antonyms] in practice, in reality
    Frenchen principe

    Definition of theory in:

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    Word of the day deictic
    Pronunciation: ˈdīktik
    adjective
    denoting a word whose meaning depends on context...