contiguous
Contiguous (adjective) means sharing a common border, or touching along an edge, so that there is no gap in between. Example: “Ohio is contiguous with Pennsylvania.”
How to use contiguous
Learner’s notesIn plain EnglishTouching, with nothing in between.
Formal or technical. Common in geography, law, computing and property description.
Contiguous and contagious look alike but are unrelated — contagious means spreading by contact, as with a disease.
Trace the full origin ↓Fill the gap
Can you complete this real example?
Ohio is _____ with Pennsylvania.
Etymology
From Latin contiguus 'touching, bordering', from contingere 'to touch, to be in contact', formed from con- 'together' and tangere 'to touch'.