If you have seen an adopted sibling in a dream: You may have some resentment against your lover or spouse in your subconscious, the end, you may have work that needs to be done or you may be interested in jobs that require intense work. To see an adopted sibling in a dream indicates respecting the family's decisions, leading a trouble-free life, having a reputation and getting along well with people, helping people in need, and doing good deeds.