Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

"having or showing an exaggerated estimation of one's own importance," 1728, from self- + important. Related: Self-importance (1728).

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.