Phrasal verb
start up
To start up means to begin operating, especially for a machine, system, or business.
Meanings
To begin operating or running (of a machine, computer, or system).
To begin a new business, project, or activity.
To cause something to begin operating (to switch on or activate).
Definition
Start up means to begin working or running after being off. It is often used for computers, apps, engines, and other machines. It can also mean to begin a new business or project.
Examples
- I had to start up my laptop again after the update.
- You can start up the app by tapping the icon on your phone.
- He tried to start up the old motorcycle, but it wouldn’t run.
- She decided to start up a small catering business with her friend.
- They start up the generator when the power goes out.
Common mistake
Learners often confuse start up (begin operating) with wake up (stop sleeping) and incorrectly use them for machines.
More phrasal verbs
- go on To go on means to continue or keep happening.
- carry out To carry out something means to do it or complete it, especially a plan, task, or instruction.
- set up To set up means to arrange or prepare something so it is ready to use or happen.
- pick up “Pick up” most commonly means to collect someone or something from a place, usually by going there.
- go back To go back means to return to a place, time, or earlier situation.