down ‧ shift /ˌdaʊnˈʃɪft $ ˈdaʊnʃɪft/ BrE AmE verb [intransitive]
1 . to put the engine of a vehicle into a lower ↑ gear in order to go slower
2 . if someone downshifts, they choose to do a less important or difficult job, so that they do not have to worry about their work and have more time to enjoy their life