IPA: /kənˈtɪɡ.ju.əs.li/
KK: /kənˈtɪɡ.ju.əs.li/
In a way that things are next to each other without any gaps or interruptions.
The houses were built contiguously, sharing walls with one another.
Contiguously → It is formed from "contiguus" (from Latin, meaning touching or adjacent) and the suffix "-ly" (meaning in a manner). The word "contiguously" means in a manner that is touching or adjacent to something else.
Think of things that are 'touching' or 'next to each other' — that's what contiguously means.