What's the difference between a semi formal dress and a formal dress?

Question

My school has guidlines of what you can where to prom and one of them is that the dress must be semi formal not formal the only problem is that I don't know what the difference is, is this a semi formal or formal dress: http://shop.nordstrom.com/S/2886906?refsid=113769&refcat=0%7e2378467%7e2378483%7e2379598%7e2381735&SourceID=1&SlotID=2&origin=related&cookie=0
cause I really want to where something like this?

Answer 1

Wow, have times changed. It used to be prom was the only place in life you could really dress "formal" and feel like a princess. Now, you can't even do that anymore? what a shame.

Semi formal is usually just a nice simple dress, like what you would wear out for a nice dinner, etc.

Formal dress usually means long, or at least, below the knee. Something like what you would wear in a fancy wedding party as a brides maide.

Answer 2

Formal for a guy is a tux and semi formal could be the two a tux or a gown tournament. for women folk human beings it does not propose an awful lot different than if it is formal you like a gown, or a very dressy gown which you additionally can placed directly to a semi formal. you are able to placed on a gown tournament to a semiformal including a black skirt short orlong with a dressy bluose and vest or jacket yet, a gown is greater effective. Formal is definetly promenade like and semi is very much less in case you pick.regardless of you place on as long because it rather is in sturdy style and seems sturdy on you it is effective. merely no pants until it is semi and you have the jacket and shirt like a mans tournament.