switched on
adj1
Informal, Of a person Highly attentive and mentally engaged.
- There was a lot to take in and everyone had to be totally switched on during the handover phase.2013, James Glasse, Andrew Rawson, Baghdad Operators: Ex Special Forces in Iraq, page 70:
- She has always been really switched on academically but she has really come on in the last year with [teacher]. We're happy that she is in his class again this year.2015, Karl Brettig, Building Stronger Communities with Children and Families, page 119: