Either
conjunction
Used to introduce a choice between two possibilities.
You can either stay or leave

Often appears as...
- either or
- either one
adverb
Used to indicate a similar or identical item or person.
There is a sofa on either side of the room

Often appears as...
- on either side
- either side
determiner
Used referring to two choices, usually denoting the first one.
Either way, we'll be here waiting for you

Often appears as...
- either way
- either one
pronoun
Used to indicate a person who is in one or the other of two states.
You can go with either of them

Often appears as...
- either of them
- either of us
conjunction
Used to introduce a choice between two possibilities.
You can either stay or leave

Often appears as...
- either or
- either one
adverb
Used to indicate a similar or identical item or person.
There is a sofa on either side of the room

Often appears as...
- on either side
- either side
determiner
Used referring to two choices, usually denoting the first one.
Either way, we'll be here waiting for you

Often appears as...
- either way
- either one
pronoun
Used to indicate a person who is in one or the other of two states.
You can go with either of them

Often appears as...
- either of them
- either of us
Definition 1 of 4

Choice Implication
Implies exclusivity between choices; selecting one option means not selecting the other.

You must either study law or medicine.
Equal Probability
Suggests both options are equally likely or possible, doesn't favor one over the other.

It might either rain or snow tomorrow.
Mutual Exclusivity
Used when the two possibilities cannot both occur at the same time.

The door must be either closed or open, not both.
Choice Implication
Implies exclusivity between choices; selecting one option means not selecting the other.

You must either study law or medicine.
Equal Probability
Suggests both options are equally likely or possible, doesn't favor one over the other.

It might either rain or snow tomorrow.
Mutual Exclusivity
Used when the two possibilities cannot both occur at the same time.

The door must be either closed or open, not both.
Choice Implication
Implies exclusivity between choices; selecting one option means not selecting the other.

You must either study law or medicine.
Equal Probability
Suggests both options are equally likely or possible, doesn't favor one over the other.

It might either rain or snow tomorrow.
Mutual Exclusivity
Used when the two possibilities cannot both occur at the same time.

The door must be either closed or open, not both.
Video examples
What game theory teaches...
though it may not always go our way just like I said we make decisions all the time that aren't always in our interests like bringing an injured bad guy in putting them in our hospitals not our interests but what that does it makes us predictable and it makes our allies trust us because they know what we stand for and they will either stand
Video examples
Your body language may...
really change your life in meaningful ways? This is in the lab, it's this little task, it's just a couple of minutes. Where can you actually apply this? Which we cared about, of course. And so we think where you want to use this is evaluative situations, like social threat situations. Where are you being evaluated, either by your friends?
Video examples
The science of...
to smell either one of the worn shirts, or a new unworn one, saliva samples showed an increase in testosterone in those who had smelled a shirt worn by an ovulating woman. Such a testosterone boost may give a man the nudge to pursue a woman he might not have otherwise noticed.
Video examples
Can you solve the bridge...
no more than two people can cross the bridge together, anyone crossing must either hold the lantern or stay right next to it, and any of you can safely wait in the dark on either side of the gorge. Most importantly, everyone must be safely across before the zombies arrive.
Video examples
Can you solve the pirate...
so they can't collaborate in advance. And being blood-thirsty pirates, if anyone thinks they'll end up with the same amount of gold either way, they'll vote to make the captain walk the plank just for fun. Finally, each pirate is excellent at logical deduction
Video examples
Can you solve the temple...
while the other six will always tell the truth. When each group returns to the hall, all of its members will either give the same report or argue about whether they found the exit. If a trio returns in total agreement, then you know none of them are lying.
Video examples
What is bipolar...
a low mood, dwindling interest in hobbies, changes in appetite, feeling worthless or excessively guilty, sleeping either too much or too little, restlessness or slowness, or persistent thoughts of suicide. Worldwide, about one to three percent of adults
Video examples
How do animals...
These animals aren't legally protected, partly because their behaviors are harder to read. We can make good guesses about some of them, like oysters, worms, and jellyfish. These are examples of animals that either lack a brain or have a very simple one.
Video examples
A whale saved my life PIPE...
I held onto him like this and I hugged it and I laid there forever. I just laid there and he didn't move either. So we swam up to the back of the boat where everyone was crying, and I popped up on the back of the boat and sat there with my feet
Video examples
NASA Trailblazer:...
you're either right or you're wrong that i liked about it she always loved numbers the professor said i think you'd make a good math researcher she said well what's that
Video examples
What game theory teaches...
though it may not always go our way just like I said we make decisions all the time that aren't always in our interests like bringing an injured bad guy in putting them in our hospitals not our interests but what that does it makes us predictable and it makes our allies trust us because they know what we stand for and they will either stand
Video examples
Your body language may...
really change your life in meaningful ways? This is in the lab, it's this little task, it's just a couple of minutes. Where can you actually apply this? Which we cared about, of course. And so we think where you want to use this is evaluative situations, like social threat situations. Where are you being evaluated, either by your friends?
Video examples
The science of...
to smell either one of the worn shirts, or a new unworn one, saliva samples showed an increase in testosterone in those who had smelled a shirt worn by an ovulating woman. Such a testosterone boost may give a man the nudge to pursue a woman he might not have otherwise noticed.
Video examples
Can you solve the bridge...
no more than two people can cross the bridge together, anyone crossing must either hold the lantern or stay right next to it, and any of you can safely wait in the dark on either side of the gorge. Most importantly, everyone must be safely across before the zombies arrive.
Video examples
Can you solve the pirate...
so they can't collaborate in advance. And being blood-thirsty pirates, if anyone thinks they'll end up with the same amount of gold either way, they'll vote to make the captain walk the plank just for fun. Finally, each pirate is excellent at logical deduction
Video examples
Can you solve the temple...
while the other six will always tell the truth. When each group returns to the hall, all of its members will either give the same report or argue about whether they found the exit. If a trio returns in total agreement, then you know none of them are lying.
Video examples
What is bipolar...
a low mood, dwindling interest in hobbies, changes in appetite, feeling worthless or excessively guilty, sleeping either too much or too little, restlessness or slowness, or persistent thoughts of suicide. Worldwide, about one to three percent of adults
Video examples
How do animals...
These animals aren't legally protected, partly because their behaviors are harder to read. We can make good guesses about some of them, like oysters, worms, and jellyfish. These are examples of animals that either lack a brain or have a very simple one.
Video examples
A whale saved my life PIPE...
I held onto him like this and I hugged it and I laid there forever. I just laid there and he didn't move either. So we swam up to the back of the boat where everyone was crying, and I popped up on the back of the boat and sat there with my feet
Video examples
NASA Trailblazer:...
you're either right or you're wrong that i liked about it she always loved numbers the professor said i think you'd make a good math researcher she said well what's that
Example 1 of 10
Quote examples
Betty White
American Actress
I had to make a major decision with myself because I just don't think you can do both: try to have a baby career and raise it and have a baby baby and raise it. And to try to do justice to either one. It was a very conscious decision on my part not to have children - which I have never regretted.

Quote examples
Robin Williams
American Comedian
With film roles, it just has to be a character either I haven't done before, or a role with somebody really interesting or with an interesting person or group of people.

Quote examples
Napoleon Hill
American Author
Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.

Quote examples
Tyler Perry
American Actor
My life has always been - there's never been a middle. Either I had or I didn't. Either I was up or I was down.

Quote examples
Floyd Mayweather, Jr.
American Boxer
There's ups and downs with boxing, layoffs are part of the sport and they can either help or hurt a guy.

Quote examples
Albert Einstein
German Physicist
Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.

Quote examples
Jim Carrey
Canadian Comedian
Life opens up opportunities to you, and you either take them or you stay afraid of taking them.

Quote examples
Aesop
Greek Author
Every truth has two sides; it is as well to look at both, before we commit ourselves to either.

Quote examples
Plato
Greek Philosopher
No evil can happen to a good man, either in life or after death.

Quote examples
John Lennon
English Musician
You either get tired fighting for peace, or you die.

Quote examples
Betty White
American Actress
I had to make a major decision with myself because I just don't think you can do both: try to have a baby career and raise it and have a baby baby and raise it. And to try to do justice to either one. It was a very conscious decision on my part not to have children - which I have never regretted.

Quote examples
Robin Williams
American Comedian
With film roles, it just has to be a character either I haven't done before, or a role with somebody really interesting or with an interesting person or group of people.

Quote examples
Napoleon Hill
American Author
Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.

Quote examples
Tyler Perry
American Actor
My life has always been - there's never been a middle. Either I had or I didn't. Either I was up or I was down.

Quote examples
Floyd Mayweather, Jr.
American Boxer
There's ups and downs with boxing, layoffs are part of the sport and they can either help or hurt a guy.

Quote examples
Albert Einstein
German Physicist
Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.

Quote examples
Jim Carrey
Canadian Comedian
Life opens up opportunities to you, and you either take them or you stay afraid of taking them.

Quote examples
Aesop
Greek Author
Every truth has two sides; it is as well to look at both, before we commit ourselves to either.

Quote examples
Plato
Greek Philosopher
No evil can happen to a good man, either in life or after death.

Quote examples
John Lennon
English Musician
You either get tired fighting for peace, or you die.

Example 1 of 10
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