soul mate

Question

Now I know the word for soul is "alma" and I know the word for mate/friend is "amigo" but how would I say "soul mate" you know, as in, what I would describe, your 'one true love'?

Gracias por adelantado,

Annie.

Answer 1

"Alma gemela"

Answer 2

I would say :
" Alma gemela " or " Media naranja"

Answer 3

Thanks guys!

Answer 4

You would use "media naranja" for better half.