Meaning of "all the more important"

X is all the more important because Y.

"Y" may be stated in prior context.

Without Y, X is important. But with Y, X is even more important.
Y makes X even more important that it would otherwise be.

I think I'm going to drop out of night school. I lost my job, so there's no reason to study.
(reply) You're crazy! If you're trying to get

melisngHi,I would like to ask what it means by "all the more important". Is it the same as "the most important"? I wonder if you can give me some e.g. to illustrate the meanings of "all the more important".Millions thanks.

Thanks for your warm welcome.
Also, thanks for Avangi's explanation.
I would like to know if "all the more important" is the same as "even more important"? If they are not the same, any difference in usage? I got the sentence from an newspaper article.

There are two unknown factors in food prices beyond government control-the volatile world oil price and changing

melisngI would like to know if "all the more important" is the same as "even more important"? If they are not the same, any difference in usage?

All the more important seems more dramatic than even more important, but the meaning is the same.

Thanks again for your explanation.
Do you mean that one thing is originally important and after sth happens or after there is a sudden change, it has become vital / indispensable?

Thanks again for your reply.
Could you please explain in what sense it is dramatic? because of a huge sudden change to make a contrast?

Another possible difference between these two expressions is that "even more important" can also be used to compare the importance of two different things:
Getting a shingles shot can be even more important than getting a flu shot. (I made that up.)

Context is important here.

Getting a flu shot is even more important when you're a teacher.

YOu mean "all the more important" is about two similar things?
Could you please kindly give an e.g. to illustrate. Sorry.......

melisngDo you mean that one thing is originally important and after sth happens or after there is a sudden change, it has become vital / indispensable?

Yes, exactly! It's the same thing which has now become more important (even more important than it was before). It's the circumstances which have changed.

melisngCould yo

[/quote]Yes, exactly! It's the same thing which has now become more important (even more important than it was before). It's the circumstances which have changed.[/quote]. Oh . That means the situation has changed. um... it seems that it is really similar to "even more important". it is just that the situation leading to "even more important" is not as sudden or as serious as "at the more impo