What does dressed to the nines mean?

"Dressed to the nines" means wearing the most elegant and stylish clothing, often for a special occasion. It implies a high level of formality and attention to detail in one's attire.

The phrase is often used to describe someone who is:

* Wearing their finest clothes.

* Looking very impressive and fashionable.

* Putting extra effort into their appearance.

It's important to note that the phrase doesn't necessarily refer to a specific number of items of clothing. It's more about the overall impression of being impeccably dressed.