noun
- a small, roughly built house or cabin
verb
- to live together in an unmarried relationship
Usage: informal
Examples
- The old fisherman lived in a small shack by the lake.
- They built a shack in the woods for weekend camping trips.
- The beach shack served cold drinks and snacks to tourists.
- After college, they decided to shack up together.
- The mountain shack provided shelter during the storm.
- He found an abandoned shack deep in the forest.