self appointed
/ˌsɛlfəˈpɔɪntɪd/
adjective
- Having taken on a role or responsibility without being officially chosen or asked by others.
- A self-appointed expert on gardening gave everyone unsolicited advice.
- The self-appointed leader of the group organized a cleanup without asking anyone.
- She became the self-appointed guardian of the neighborhood's historic trees.
Synonyms