General:
* Rainforest: This is often the most accurate synonym, especially when referring to the dense, humid forests typical of tropical regions.
* Tropical forest: Similar to rainforest, this emphasizes the location and climate.
* Thicket: A dense growth of bushes or small trees, suggesting something smaller and less extensive than a jungle.
* Undergrowth: Refers to the dense vegetation on the forest floor, often used in a literary context.
* Wilds: A general term for a remote, unpopulated area with dense vegetation.
* Bush: Common in Australia and Africa, this term can refer to a specific type of vegetation or be used more broadly.
* Woodlands: More general than jungle, this term describes areas with trees but not necessarily dense vegetation.
* Swamps: Areas of land saturated with water and dense vegetation, often associated with jungles.
* Brush: Similar to thicket, this term refers to dense, tangled growth.
Figurative:
* Maze: Used when describing the jungle's confusing and difficult terrain.
* Labyrinth: Similar to "maze," this emphasizes the complexity and disorientation of the jungle.
* Tangled mass: Used to describe the complex and interwoven nature of the jungle's vegetation.
* Wild kingdom: Emphasizes the untamed and untamed nature of the jungle.
The best synonym for "jungle" depends on the specific context and the desired emphasis.