Suits

Dirt.

Out of, or off of?

If the entire suit is shiny, live with it.

If the seat and elbows are shiny it is a sign of wear.

You might try a brush, or take it to a tailor.

Can't help you if it is "in" the suit.

Hire an incompetent lawyer. That'll take all the shine out of a suit.

This is not a silver space suit, is it?

If (like me) you have got carried away with the hot iron and your (at least partially synthetic fibre) suit is now shiny, I am not aware of any way to fix the damage.

"Depending on how bad the situation is, try a mixture of half water and half vinegar. Mix in a spray bottle and mist over the worst of it. Rub it with a soft cloth and the majority of the shine should fade out. Of course, then you will want it to have a good airing or you will smell like a salad! Keep mix close by when you iron, the same mix can help set in a crease where you want it, and remove the shine immediately should you iron over something like a zipper. Used right away, it takes the shine right off."