in advance
adverbUK /ɪn ədˈvɑːns/
US /ɪn ədˈvæns/
Before something happens.
Please tell me in advance if you cannot come.
RELATED WORDS
OTHER MEANINGS
2. Done or given before the usual time.
We paid in advance for the tickets.
3. Moving forward in position.
The army moved in advance of the main group.
4. Ahead in progress or development.
She is in advance of her classmates in reading.