set off (1)
This page is about the phrasal verb set off (1)
to begin a journey
set out, leave, set forth (formal)
- set off If they set off at ten o'clock, they should arrive by midday.
- be setting off What time will you be setting off in the morning?
If your plane leaves at 9 o'clock, you'll need to set off for the airport about
Contributor: Matt Errey