Meaning of the word self-important in English

What does self-important mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

self-important

US /ˌself-ɪmˈpɔːr.tənt/
UK /ˌself-ɪmˈpɔː.tənt/

Adjective

having an exaggerated sense of one's own importance

Example:
He's so self-important, always talking about his achievements.
Her self-important attitude made her unpopular with colleagues.