What is the word to say that something is located so close to something different, that there is no real distance between them?
Example 1: Three houses that are built with no physical distance between them. You know they are different houses and not the single one just because they are built in different styles.
Example 2: Two cars that are parked at a distance of one centimeter.
Google Translate suggest back-to-back, but:
- It sounds colloquial, and I suspect that there are more formal ways to say it.
- When I hear back-to-back, I think about something like a scene from Conan The Barbarian movies: there are two warriors who are fighting back-to-back against dozens of bad guys, and of course, win. In other words, back-to-back sounds wrong when we talk about more than two items.