General terms:
* Launch: This term is often used for a large, open boat used for transportation or recreation.
* Cruiser: This term is usually applied to larger, open boats with more amenities and features, designed for longer trips.
* Runabout: This is a smaller, open boat typically used for recreation, often with a powerful engine.
* Motor yacht: This is a larger, more luxurious boat with a cabin and amenities.
* Pontoon boat: This is a flat-bottomed boat with pontoons for stability, usually open and spacious.
Specific terms:
* Dinghy: This is a small, open boat, but the term can be used in some contexts for a larger, open boat.
* Skiff: This is a small, open boat, often used for fishing.
* Pram: This is a flat-bottomed boat with a wide beam, often used for rowing or sailing.
Other words:
* Barge: This is a flat-bottomed boat, but it is typically used for transporting goods.
* Ferry: This is a boat used for transporting people or vehicles across a body of water.
To get the best answer, please provide more information about the specific context. For example, what is the boat used for? What size is it?