boundary line
Học thuậtThân thiện
Definition
Noun: A line that marks a limit or edge; a dividing line. Specifically, it refers to a physical or conceptual line that indicates the point where one area ends and another begins.
Usage
The term "boundary line" is used to denote a clear demarcation or border. It is often employed in contexts involving geography, property, sports, and abstract concepts to indicate separation or a limit.
Examples
- The white chalk on the grass served as the boundary line between the two properties.
- In baseball, the foul boundary line determines whether a hit ball is in play.
- The treaty established a new boundary line between the two nations.
- There is a clear boundary line between professional and personal conduct in this company.
Advanced Usage
- "to cross a boundary line": To go beyond an accepted limit, often in a social or ethical context.
- His comments during the debate crossed a boundary line of civility.
- "to blur the boundary lines": To make distinctions less clear or definite.
- Modern technology often blurs the boundary lines between work and home life.
Variants and Related Words
- Boundary (n): The general term for a line that marks the limits of an area. ("The river forms the natural boundary.")
- Border (n): Often used synonymously with boundary, especially for political divisions. ("They crossed the border into Canada.")
- Demarcation line (n): A more formal term for a boundary line, especially one established by agreement. ("The armistice agreement specified a demarcation line.")
Synonyms
- Border
- Dividing line
- Limit
- Perimeter
- Frontier
Related Phrases
- Line in the sand: An idiom meaning a figurative boundary that one will not cross or allow others to cross.
- The new policy draws a line in the sand regarding data privacy.
- Out of bounds: A phrase (often used in sports) meaning outside the designated boundary or limits.
- The ball landed out of bounds, so the other team gained possession.
Noun
- a line that indicates a boundary