the other

: being the one (as of two or more) remaining or not included

: being the one or ones distinct from that or those first mentioned or implied

: second

: one that remains of two or more

: a thing opposite to or excluded by something else

: a different or additional one

: one of two that remains

: each preceding one

: a different or additional one

: otherwise

: to treat or consider (a person or a group of people) as alien to oneself or one's group (as because of different racial, sexual, or cultural characteristics)