Boundary
noun
A line that marks the limits of an area.
We walked along the boundary of the field
Often appears as...
- boundary line
- boundary marker
noun
A limit of something abstract like acceptable behavior or possibility.
He's pushing the boundaries of what's considered acceptable
Often appears as...
- push the boundaries
- cross the boundaries
noun
A point or level beyond which something does not or may not extend.
There are boundary conditions that must be satisfied
Often appears as...
- boundary conditions
- boundary values
Usage tips
Neutral
Technical
noun
In cricket, an event whereby the ball is struck and either touches or crosses the boundary rope, scoring four (for a boundary) or six (for a boundary hit over theboundary without the ball touching the ground) points.
He hit a six boundary
Often appears as...
- hit a boundary
- score a boundary
Usage tips
Specific
noun
A line that marks the limits of an area.
We walked along the boundary of the field
Often appears as...
- boundary line
- boundary marker
noun
A limit of something abstract like acceptable behavior or possibility.
He's pushing the boundaries of what's considered acceptable
Often appears as...
- push the boundaries
- cross the boundaries
noun
A point or level beyond which something does not or may not extend.
There are boundary conditions that must be satisfied
Often appears as...
- boundary conditions
- boundary values
Usage tips
Neutral
Technical
noun
In cricket, an event whereby the ball is struck and either touches or crosses the boundary rope, scoring four (for a boundary) or six (for a boundary hit over theboundary without the ball touching the ground) points.
He hit a six boundary
Often appears as...
- hit a boundary
- score a boundary
Usage tips
Specific
Definition 1 of 4
Pro Tip 1/3Physical Space
Used for describing a visible, measurable separation between areas or objects.
Make sure to paint within the boundary lines.
Pro Tip 2/3Real-world Objects
Often associated with tangible lines like fences, walls, or painted markings.
The boundary wall separates our garden from the alley.
Pro Tip 3/3Geographical Edges
Refers to the edges of cities, states, and countries on a map.
The river forms the natural boundary between the two countries.
Pro Tip 1/3Physical Space
Used for describing a visible, measurable separation between areas or objects.
Make sure to paint within the boundary lines.
Pro Tip 2/3Real-world Objects
Often associated with tangible lines like fences, walls, or painted markings.
The boundary wall separates our garden from the alley.
Pro Tip 3/3Geographical Edges
Refers to the edges of cities, states, and countries on a map.
The river forms the natural boundary between the two countries.
Pro Tip 1/3Physical Space
Used for describing a visible, measurable separation between areas or objects.
Make sure to paint within the boundary lines.
Pro Tip 2/3Real-world Objects
Often associated with tangible lines like fences, walls, or painted markings.
The boundary wall separates our garden from the alley.
Pro Tip 3/3Geographical Edges
Refers to the edges of cities, states, and countries on a map.
The river forms the natural boundary between the two countries.
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Video examples
Let the environment...
Now, what about the future? Well, the future, of course, has one massive challenge, which is feeding a world of nine billion people. We need nothing less than a new green revolution, and the planet boundaries shows that agriculture has to go from a source of greenhouse gases to a sink. It has to basically do this on current land.
Video examples
Cory Richards: Pushing...
pushing boundaries has consequences. Right? Like, that's part of it. But we have to push boundaries to understand our limitations. We have to learn how far we can go. You know, that was ingrained in me very early on, that pushing boundaries was something that was important to not just where I would be, where I was,
Video examples
How to take a picture of...
We're a melting pot of astronomers, physicists, mathematicians and engineers. This is what will make it soon possible to achieve something once thought impossible. I'd like to encourage all of you to go out and help push the boundaries of science, even if it may at first seem as mysterious to you as a black hole.
Video examples
Is graffiti art? Or...
While these movements raised their anti-establishment voices, graffiti artists likewise challenged established boundaries of public property. They reclaimed subway cars, billboards, and even once went so far as to paint an elephant in the city zoo. Political movements, too,
Video examples
Orphan Sun Bear Gets A...
to be reckoned with she pushes the boundaries a little she knows she gives me glances all the time like the recite raids ones thinking and if I can get away with that so she's just full of life that's the best way you can describe it I've known a lot of
Video examples
Rethinking infidelity...
And that distinction is important. And Nick, he needs to hold vigil for the relationship. He needs to become, for a while, the protector of the boundaries. It's his responsibility to bring it up, because if he thinks about it,
Video examples
The law of conservation...
defined by a boundary that matter and energy cannot cross. Inside this system, mass, a.k.a. matter and energy, can neither be created nor destroyed. The universe, to the best of our knowledge, is an isolated system.
Video examples
The Border Between Crocs...
thanks to an aggressive conservation campaign. As the humans around here push their boundaries, the crocodile population pushes back. Keeping the peace is a constant struggle.
Video examples
What forgiveness can...
forgiveness releases us forgiveness doesn't delete the past forgiveness enriches the future forgiveness doesn't mean that you give up your boundaries or
Video examples
Earth's Hidden Volcanos...
tectonic boundaries in the darkness of the deep water gushes through cracks in the earth's crust known as deep sea vents
Video examples
Let the environment...
Now, what about the future? Well, the future, of course, has one massive challenge, which is feeding a world of nine billion people. We need nothing less than a new green revolution, and the planet boundaries shows that agriculture has to go from a source of greenhouse gases to a sink. It has to basically do this on current land.
Video examples
Cory Richards: Pushing...
pushing boundaries has consequences. Right? Like, that's part of it. But we have to push boundaries to understand our limitations. We have to learn how far we can go. You know, that was ingrained in me very early on, that pushing boundaries was something that was important to not just where I would be, where I was,
Video examples
How to take a picture of...
We're a melting pot of astronomers, physicists, mathematicians and engineers. This is what will make it soon possible to achieve something once thought impossible. I'd like to encourage all of you to go out and help push the boundaries of science, even if it may at first seem as mysterious to you as a black hole.
Video examples
Is graffiti art? Or...
While these movements raised their anti-establishment voices, graffiti artists likewise challenged established boundaries of public property. They reclaimed subway cars, billboards, and even once went so far as to paint an elephant in the city zoo. Political movements, too,
Video examples
Orphan Sun Bear Gets A...
to be reckoned with she pushes the boundaries a little she knows she gives me glances all the time like the recite raids ones thinking and if I can get away with that so she's just full of life that's the best way you can describe it I've known a lot of
Video examples
Rethinking infidelity...
And that distinction is important. And Nick, he needs to hold vigil for the relationship. He needs to become, for a while, the protector of the boundaries. It's his responsibility to bring it up, because if he thinks about it,
Video examples
The law of conservation...
defined by a boundary that matter and energy cannot cross. Inside this system, mass, a.k.a. matter and energy, can neither be created nor destroyed. The universe, to the best of our knowledge, is an isolated system.
Video examples
The Border Between Crocs...
thanks to an aggressive conservation campaign. As the humans around here push their boundaries, the crocodile population pushes back. Keeping the peace is a constant struggle.
Video examples
What forgiveness can...
forgiveness releases us forgiveness doesn't delete the past forgiveness enriches the future forgiveness doesn't mean that you give up your boundaries or
Video examples
Earth's Hidden Volcanos...
tectonic boundaries in the darkness of the deep water gushes through cracks in the earth's crust known as deep sea vents
Example 1 of 10
Quote examples
Stephen Hawking
English Physicist
So long as the universe had a beginning, we could suppose it had a creator. But if the universe is really completely self-contained, having no boundary or edge, it would have neither beginning nor end: it would simply be. What place, then, for a creator?
Quote examples
Michelle Obama
American First Lady
What I tell my kids is, 'I'm preparing you for college and for life. So, having independence, knowing how to set your own boundaries, figuring out how to make that balance. We still have screen-time rules.
Quote examples
Edmund Burke
Irish Statesman
There is a boundary to men's passions when they act from feelings; but none when they are under the influence of imagination.
Quote examples
Brene Brown
American Author
Daring to set boundaries is about having the courage to love ourselves, even when we risk disappointing others.
Quote examples
Sean M. Carroll
American Scientist
I think it's important that science just doesn't stay within narrow boundaries.
Quote examples
Rajnath Singh
Indian Politician
Terrorism knows no boundaries and doesn't respect nations' sovereignties.
Quote examples
Kelly Preston
American Actress
We have freedoms and boundaries; we just have a great family life.
Quote examples
Sheldon Whitehouse
American Politician
Protected free speech has boundaries, and one boundary is fraud.
Quote examples
Adam Peaty
British Athlete
Every day I try to push the boundaries, and it's paid off.
Quote examples
Vikas Swarup
Indian Novelist
Global terror does not respect national boundaries.
Quote examples
Stephen Hawking
English Physicist
So long as the universe had a beginning, we could suppose it had a creator. But if the universe is really completely self-contained, having no boundary or edge, it would have neither beginning nor end: it would simply be. What place, then, for a creator?
Quote examples
Michelle Obama
American First Lady
What I tell my kids is, 'I'm preparing you for college and for life. So, having independence, knowing how to set your own boundaries, figuring out how to make that balance. We still have screen-time rules.
Quote examples
Edmund Burke
Irish Statesman
There is a boundary to men's passions when they act from feelings; but none when they are under the influence of imagination.
Quote examples
Brene Brown
American Author
Daring to set boundaries is about having the courage to love ourselves, even when we risk disappointing others.
Quote examples
Sean M. Carroll
American Scientist
I think it's important that science just doesn't stay within narrow boundaries.
Quote examples
Rajnath Singh
Indian Politician
Terrorism knows no boundaries and doesn't respect nations' sovereignties.
Quote examples
Kelly Preston
American Actress
We have freedoms and boundaries; we just have a great family life.
Quote examples
Sheldon Whitehouse
American Politician
Protected free speech has boundaries, and one boundary is fraud.
Quote examples
Adam Peaty
British Athlete
Every day I try to push the boundaries, and it's paid off.
Quote examples
Vikas Swarup
Indian Novelist
Global terror does not respect national boundaries.
Example 1 of 10
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