theoretical adjective

/θɪəˈret.ɪ.kəl/

/ˌθiː.əˈre-/ adj

Definition

•

based on the ideas that relate to a subject, not the practical uses of that subject

theoretical physics

•

related to an explanation that has not been proved

(Definition of theoretical adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

worried or nervous about something that is going to happen

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