Self-conceited is a term that describes someone who is excessively proud of themselves and their abilities. There are many synonyms for this term that can be used to describe this type of person, including arrogant, egotistical, haughty, vain, narcissistic, conceited, and cocky. These words all share a similar meaning and describe someone who places their own interests and opinions above those of others. People who exhibit these behaviors often struggle to form meaningful relationships because their self-importance can create barriers between themselves and others. They may also find it difficult to take advice or criticism because they believe that they know best.