Definition of switched-on in English:

switched-on

Line breaks: switched-on

Entry from British & World English dictionary

adjective

British informal
Aware of what is going on or what is up to date: your shortcomings will be apparent to a switched-on youngster

Definition of switched-on in:

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Word of the day guzzle
Pronunciation: ˈgʌz(ə)l
verb
eat or drink (something) greedily