bæk ʌp
neutral
beginner
- Base verb:
- back
- Particle:
- up
- Separable:
- Yes
What does "back up" mean?
- To move backwards
- To support or confirm
- To make a copy of computer data
Examples
- Back up the car so I can get out.
- Can anyone back up his story?
- Remember to back up your files regularly.
- Traffic is backing up on the highway.
- I'll back you up in the meeting.
How to use it
'Backup' (noun/adjective) is essential in computing. 'I've got your back' is a related expression of support.
Word order
Object can go between: 'back the car up' or 'back up your data'
Similar expressions
reverse
support
confirm
copy
Opposites
move forward
contradict
delete
Related phrasal verbs
- back down
To withdraw from a position or demand
- back off
To move away from someone or something
- back out
To withdraw from an agreement or commitment
- get up
To rise from bed after sleeping
- turn up
To increase the volume, heat, or intensity of something
- give up
To stop trying to do something, often because it is too difficult
Use it in a practice answer
Try "back up" in a CELPIP-style Speaking or Writing task. The AI feedback tells you whether your word choice worked.