BOUNDARY definition: 1. a real or imagined line that marks the edge or limit of something: 2. the limit of a subject or…. Learn more.

The meaning of BOUNDARY is something that indicates or fixes a limit or extent. How to use boundary in a sentence.

Aug 1, 2025 · They define where we end and someone else begins—physically, emotionally, and mentally. Healthy boundaries protect your well-being while also respecting others. Without …

Definition of boundary noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A boundary is a border and it can be physical, such as a fence between two properties, or abstract, such as a moral boundary that society decides it is wrong to cross.

A boundary refers to a line, point or plane that marks the limit or edge of something or separates one thing from another such as concepts, objects, territories, or phenomena. It can be …

Boundary (topology), the closure minus the interior of a subset of a topological space; an edge in the topology of manifolds, as in the case of a 'manifold with boundary' boundary of a manifold …

Dec 9, 2024 · A boundary is a real or imaginary line that separates two things. In geography, boundaries separate different regions of Earth.

Sep 12, 2023 · For the purposes of human relationships, “a boundary is a statement of what you expect, what you need or what you want in a given situation,” said Nedra Glover Tawwab, a …

Boundary, border, frontier share the sense of that which divides one entity or political unit from another. Boundary, in reference to a country, city, state, territory, or the like, most often …