We don't have synonyms for dunbar yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are durbar, unbar and dun-bar.
"1965 — In reply he sent Wilfrid to his town of Dunbar under the supervision of a sheriff called Tydlin whom he knew to be more cruel. — Eddius Stephanus, Life of Wilfrid, Page 107, 12th century. Translated from Latin by J. F. Webb."
"1965 — In reply he sent Wilfrid to his town of Dunbar under the supervision of a sheriff called Tydlin whom he knew to be more cruel. — Eddius Stephanus, Life of Wilfrid, Page 107, 12th century. Translated from Latin by J. F. Webb."