adjective
A word that describes or modifies a noun or pronoun. In this case, 'self-important' describes someone who thinks highly of themselves and believes they are more important than others.
-
His self-important attitude often rubbed his colleagues the wrong way.
-
She always acts so self-important, like she's better than everyone else.
-
Don't be so self-important, nobody likes a know-it-all.
-
The towering skyscraper seemed almost self-important as it loomed over the city skyline.