Synonyms of abutting

1 Syllable
next, near, join
2 Syllables
closer, neighbor, nearer, adjoin, closest
3 Syllables
neighboring, nearest, adjoining, contactual, proximal, near-at-hand, close-by, vincinal, contiguous, bordering, back-to-back
4 Syllables
coterminous, approximal, close-at-hand
6 Syllables
juxtapositional