1. switched on - Adjective
2. switched on - Verb
switched on
simple past and past participle of switch on
switched on (comparative more switched on, superlative most switched on)
(informal) Highly attentive and mentally engaged.
Fantasy was always only a reality waiting to be switched on. Joe Hill
Unsurprisingly, the recipients of climate change subsidies and climate change research grants think action is very urgent indeed. As for the general public, of course saving the planet counts – until the bills come in and then the humbug detector is switched on. Tony Abbott
Be passionate and bold. Always keep learning. You stop doing useful things if you don't learn. So the last part to me is the key, especially if you have had some initial success. It becomes even more critical that you have the learning 'bit' always switched on. Satya Nadella
The fact that a gene must be switched on to form a long-term memory shows clearly that genes are not simply determinants of behavior but are also responsive to environmental stimulation, such as learning. Eric Kandel
I think actors always retain one foot in the cradle. We're switched on to our youth, to our childhood. We have to be because we're in the business of transferring emotions to other people. Derek Jacobi
Jacques Monod... published a paper entitled "Genetic Regulatory Mechanisms in the Synthesis of Protein." Using bacteria as a model system, they made the remarkable discovery that genes can be regulated-that is, they can be switched on and off like a water faucet. Eric Kandel