What context can I use each word in?
Learn when and how to use these words with these examples!
either
Example
You can either come with me or stay here. [either: conjunction]
Example
I don't like either of those options. [either: pronoun]
Example
You can't have either dessert until you finish your dinner. [either: adverb]
one
Example
Can I have that one, please? [one: pronoun]
Example
I need one more ingredient to finish the recipe. [one: adjective]
Example
One of my favorite books is 'To Kill a Mockingbird'. [one: noun]
Good things to know
Which word is more common?
One is more commonly used than either in everyday language, as it has a wider range of functions and is more versatile. Either is more formal and less commonly used in everyday speech.
Whatโs the difference in the tone of formality between either and one?
Either is more formal than one, as it is often used in academic or professional contexts. One is more casual and can be used in a variety of situations, from informal conversations to formal writing.