Meaning of “switched on” in the English Dictionary

british dictionary

"switched on" in British English

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switched onadjective

uk /ˌswɪtʃt ˈɒn/ us /ˌswɪtʃt ˈɑːn/ UK old-fashioned informal

quick to know about or be involved with the most recent fashions and ideas

(Definition of “switched on” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)