Boundary | Mean of boundary in English Dictionary

/ˈbaʊndri/

• Noun
• something (such as a river, a fence, or an imaginary line) that shows where an area ends and another area begins
1. Those two trees mark the boundary of our property.
2. The river forms the country's western boundary.
• a point or limit that indicates where two things become different
1. at/on the boundary between fact and fiction
• unofficial rules about what should not be done
1. You need to set boundaries with your children.
2. Did he violate the boundaries of the doctor-patient relationship?
3. They're pushing the boundaries of [=doing things that are unusual in] traditional French cooking.

• to be capable of affecting people everywhere
1. This is a disease that knows no boundaries.
• to have no limits
1. My admiration for him knows no boundaries. [=knows no bounds]