■ Altogether
Altogether means ‘completely’ or ‘in total’:
In 1997 the sales tax was lowered to 4%, then in 2001 it was abolished altogether.
The book was €13.50 and the magazine was €5.25, so it was €18.75 altogether.
■ All together
All together means ‘with each other’, and is similar to together:
Put your clothes all together in one pile and I’ll wash them for you.
Put your clothes altogether in one pile and I’ll wash them for you.(×)
[a group of five people are waiting at the entrance to a restaurant]
Waiter: Are you all together?
Customer: Yes. Can you do a table for five?
all together
= in total
전부
If there are a number of things in total, there are that number when you count or add them all together.
I was with my partner for eight years in total.
In total, I interviewed more than five dozen women.
That's 60,000 dollars all together.
=That's 60,000 dollars in total.
https://youtu.be/P5xhDuW7xdI?si=svEJ2JUFV4eLF3th
That's 60,000 dollars all together.
All together: with everyone or everything, all at once, in a group
Altogether: completely, overall, holistically, as a whole
Let’s go to the wedding all together in the same car.
The new engine was different altogether, running on hydrogen instead of fuel.