either

B1 · Intermediate

det. each of two things.

det. referring to each of two things, often used to describe things that come in pairs.

日本語:どちらも※

Español:cada

“There were tall trees on either side of the river.”

“The guards stood at either end of the corridor, ensuring that no unauthorised personnel could enter the secure wing.”

A2 · Elementary

pron. one of two people or things, used without naming the noun again.

pron. the one or the other of two people or things; functions as the head of a noun phrase.

日本語:いずれか※

“I have two pens; you can use either of them.”

“If either of the proposed solutions fails to address the budget deficit, the board will be forced to consider more drastic measures.”

A2 · Elementary

conj. used before the first of two choices to show a clear alternative.

conj. a correlative conjunction used to introduce the first of two or more alternatives, paired with 'or'.

“We can either go to the cinema or stay at home and watch a movie.”

“The company must either invest heavily in new technology or risk losing its competitive advantage in the global market.”

A2 · Elementary

adv. used at the end of a negative sentence to mean 'also'.

adv. used for emphasis after a negative statement to indicate that a further negative fact is also true.

“I don't like spicy food, and my sister doesn't like it either.”

“The first experiment did not yield the expected results, and the subsequent trials were not successful either.”