Formal:
* Gown: Usually refers to a long, formal dress.
* Robe: Can refer to a long, loose garment, often worn as a dressing gown or a ceremonial garment.
* Ensemble: Refers to a complete outfit, including accessories.
* Attire: A general term for clothing.
* Garment: A general term for any item of clothing.
Informal:
* Outfit: A complete set of clothing worn together.
* Frock: An informal term for a dress, often used for children's dresses.
* Skirt: This refers to the lower part of a dress.
* Clothes: A general term for clothing.
* Gear: Often used to refer to clothing worn for a specific activity, like sportswear.
Specific Types:
* Sundress: A casual, lightweight dress.
* Mini-dress: A short dress.
* Maxi-dress: A long, flowing dress.
* Shift dress: A simple, straight-fitting dress.
* Cocktail dress: A formal dress for parties.
More creative options:
* Costume: For a theatrical or fancy dress occasion.
* Habit: A special type of clothing worn for a specific purpose, like a religious habit.
* Vestment: A ceremonial garment.
Can you give me more context about what type of dress you are referring to? I can help you choose the best word.