1. moved or shifted to a higher frequency, energy level, or position
Usage: technical

1. past tense and past participle of upshift; shifted to a higher gear in a vehicle
Usage: automotive

Examples

• The driver upshifted smoothly as the car gained speed on the highway.
• She upshifted into fourth gear before merging onto the freeway.
• The mechanic noticed the transmission had upshifted too early.
• The upshifted signal showed a higher frequency than expected.
• The upshifted spectrum indicated increased energy levels.
• After the modification, the engine’s power curve was upshifted.