beforehand
Definitions
In advance; at an earlier time.
In anticipation of a future event.
Examples
I wish you had told me about the meeting beforehand so I could have prepared.
It is always a good idea to check the weather forecast beforehand when planning an outdoor event.
The chef prepped all the ingredients beforehand to ensure the dinner service ran smoothly.
Synonyms
earlier previously in advance ahead of time preemptively proactively already
Antonyms
afterwards later subsequently behind following belatedly postponed