We don't have synonyms for manassas yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are manasses, manassa and manasseh.
(n) :
An independent city, the county seat of Prince William County, in northeastern Virginia, United States, known as Manassas Junction in the 19th century.
(n) :
A minor city in Tattnall County, Georgia, United States.
(n) :
An independent city, the county seat of Prince William County, in northeastern Virginia, United States, known as Manassas Junction in the 19th century.
(n) :
A minor city in Tattnall County, Georgia, United States.