Synonyms for Boundary line:

• n.

  •boundary line (noun)
  • border,
  • borderline,
  • delimitation.

• Other synonyms:

  •Other relevant words:
  • bound,
  • boundary,
  • bourn,
  • ceiling,
  • circumscription,
  • compass,
  • confine,
  • cutoff,
  • deadline,
  • determinant,
  • division,
  • end,
  • extremity,
  • finish,
  • floor,
  • frontier,
  • hedge,
  • high-water mark,
  • interface,
  • limen,
  • limit,
  • limitation,
  • line,
  • march,
  • margin,
  • mark,
  • start,
  • starting point,
  • term,
  • terminus,
  • threshold,
  • Mete,
  • target date,
  • line of demarcation,
  • cut-off.