A ‣ Things occupying a lot of space
word | typical contexts of use |
extensive | Edinburgh has extensive traffic-free routes. The building contains extensive educational facilities. |
spacious | a spacious garden The city of Washington is spacious and green. |
roomy | a roomy car The house was roomy. |
rambling | a large, rambling building a rambling mansion |
I like Canada because I love wide open spaces. [large areas without buildings or trees]
Little white cottages were scattered across the landscape. [randomly across a wide area]
The problem with this university is that the buildings are rather spread out and it takes a long time to get from one place to another. [not close to one another]
Jack’s bedroom is large, with ample room for all his things. [more than enough space]
Language help
Room can be used as an uncountable noun to mean space, e.g.
Can you make room/space for me?
There’s plenty of room/space here.
The sofa takes up a lot of room/space.
B ‣ Insufficient space or things occupying too small a space 
word | typical contexts of use |
cramped | cramped hotel rooms living in small, cramped apartments |
poky; informal | two poky little rooms a poky little flat |
congested | tanker traffic on the congested waterway the congested streets [full of traffic, people, etc.] |
compact* | a tiny, compact refrigerator a compact, low, white villa |
*compact has positive connotations, whereas the other words in the table suggest negative connotations.
C ‣ Other words and expressions 
I saw her at the carnival, but I couldn’t get to her because I was hemmed in by the crowds. [surrounded by people and not able to move]
The city centre is always bustling with tourists at this time of year. [lots of people busily moving around]
There isn’t enough room to swing a cat in his flat. [the flat is very small; informal]
We were packed in like sardines on the bus. [too many people in a small space; informal]
The government offices are an absolute labyrinth. [/ˈlæbərɪnθ/ vast and complex]
The river marks the boundary of the estate. [the edge of a large space]
We created more space by building an extension at the rear of our property. [back]
In these conversations, speaker B paraphrases what speaker A says. Note the verbs in bold.
A: There were 16 of us in a minibus that seated 10, and it was a long journey.
B: Yes, we were all crammed into that tiny space for over five hours!
A: There’s not much room, is there? Can I sit between you and Mark?
B: Yes, you can squeeze in between us.
A: You’ve invited a lot of people to your party and it’s only a small room.
B: Yes, it might be a bit of a squash!
A: Shall I put all those old papers into this rubbish bag?
B: Yes, just stuff them all in and we’ll take it away later. (it suggests doing something quickly and without much care)