Preposition: in

• part: The country is a mixture of dense woods and farmland, it is rough and hilly in parts with a small amount of moorland.

Modifies a noun

• terrain: Equally, you will have to walk further on flat terrain than hilly terrain to burn off the same calories.

• countryside: They prefer open, hilly countryside rather than woodland.

• landscape: The soft, hilly landscape is an ideal fitness park for the body.

• pasture: Dairy and sheep farming are common in the hilly pastures.

• ridge: Key Attractions Cork rests beneath a hilly ridge beside the River Lee, with the main town situated between two of its tributaries.

• district: Primula 500 species are found in the northern hemisphere especially in hilly districts.

Modifying Another Word

• moderately: The route back down the Fosse Way was moderately hilly, and added about 4 or 5Km to the official distance.

• fairly: Even given the locality's proximity to navigable rivers, the area is still fairly hilly.

• slightly: There is also a new 9 hole course which is situated on a slightly hilly terrain, making the course very interesting indeed.

• quite: The running routes are varied; either flat along the beach or quite hilly just a ½ mile inland.

• somewhat: Hampstead Heath Fair: The Waugh family lived very near Hampstead Heath, which is an area of somewhat hilly parkland in north London.

• very: The whole area is very hilly with deep valleys where little streams run down to the sea.

Used with adjective complement

• become: The countryside in both parishes is flat near the sea, gradually becoming hilly to the north.