Synonyms for State boundary:

• n.

  •location (noun)
  • state line,
  • state boundary.
  •Other relevant words: (noun)
  • boundary line,
  • delimitation,
  • border,
  • Mete,
  • borderline.

Homophones for State boundary:

• stepmother, stipendiary, state of matter, stud finder, state of nature.

Hyponym for State boundary:

• n.

  • location
    boundary line, delimitation, border, Mete, borderline.