(Figuratively) A thing or phenomenon that is closely associated with another thing, phenomenon, or person.
A sexual partner.
The definition of a partner is a person who takes part in an activity or business with others or one of two people who are in a relationship.
A woman or girl confidant
The definition of an alter ego is someone with whom you are very close friends.
To act as a friend to; befriend
Find another word for soul-mate. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for soul-mate, like: heart's desire, kindred-spirit, kindred-soul, one's promised, true-love, companion, lover, partner, helpmate, confidante and alter ego.