ramp up

verb

1. To increase rapidly to a new value.

   “Near-synonym: build up”

   “Headcount ramped up over three months.”

2. To increase (something) rapidly to a new value; to cause (something) to ramp up.

   “Near-synonym: build up”

   “The manager ramped up headcount.”

3. To start up; to be in an initial phase of rapid increase.

   “Near-synonyms: fire up, spin up”

   “The 5G development project will ramp up in the first quarter.”

4. To start (something) up; to cause (something) to ramp up.

   “Near-synonyms: fire up, spin up”

   “He wants to be first to ramp up his project.”