境目(さかいめ)

さかいめ
noun
boundary, dividing line
1. boundary, dividing line, border
The line or point where one thing ends and another begins, whether physical or abstract.
昼(ひる)と夜(よる)の境目(さかいめ)。
The boundary between day and night.
成功(せいこう)と失敗(しっぱい)の境目(さかいめ)は紙一重(かみひとえ)だ。
The line between success and failure is paper-thin.
趣味(しゅみ)と仕事(しごと)の境目(さかいめ)がなくなってきた。
The boundary between my hobby and my work has been disappearing.

USAGE:
Often used for abstract boundaries (between concepts, states, or categories) rather than just physical borders. The pattern AとBの境目(さかいめ) (the boundary between A and B) is standard.

SIMILAR WORDS:
境界(きょうかい) is more formal and technical (often used for property or territorial borders). 境目(さかいめ) is more natural for abstract or everyday distinctions.

COMMON COLLOCATIONS:

  • 境目(さかいめ)がない: there is no boundary
  • 境目(さかいめ)が曖昧(あいまい): the boundary is vague
  • 境目(さかいめ)を見極(みきわ)める: to discern the dividing line
general
Added 2026.2.8 14:52
10500/10624_sakaime