(something) is time intensive

If an activity is "time intensive", it means that it takes a lot of time to complete.

You can use this phrase for talking about some task at work:

I don't think we should bother with that. It's too time intensive.

You can also use it to describe hobbies that take up a lot of time:

Making your own furniture is really cool, but it's really time intensive.

This phrase appears in these lessons: