Definition of be going to
- It's going to be cold tomorrow.
- It's going to rain: if you don't take an umbrella, you're going to get soaked.
- I am not going to tolerate any more bad behavior!
- I was just going to call him.
: an act or instance of going
: behavior, actions
: the condition of the ground (as for walking)
: that goes
: working, moving
: living, existing
What made you want to look up be going to? Please tell us where you read or heard it (including the quote, if possible).