either
🇺🇸
/ˈiːðər/
🇬🇧
/ˈaɪðə(r)/
one of two choices, both are okay
You can choose either book to read.
어느 책을 골라 읽어도 됩니다.
both of two things
There were trees on either side of the road.
길 양쪽에 나무가 있었습니다.
also, in the same way (used with 'not')
I don't like coffee, and I don't like tea either.
저는 커피도 좋아하지 않고 차도 좋아하지 않습니다.
shows a choice between two options
You can either stay home or come with us.
집에 남을지 우리와 함께 갈지 선택할 수 있습니다.
adds more information to what was said
The food was good, and it wasn't expensive either.
음식이 맛있었고, 비싸지도 않았습니다.