adjective
1.
marked by or indicative of notable worth or consequence
an important discovery
his manner was grave and important
Synonyms: big, consequential, considerable, material, meaningful, momentous, significant, substantial, weighty
Related Word: conspicuous, distinctive, exceptional, impressive, marked, memorable, notable, noteworthy, noticeable, outstanding, prominent, remarkable, salient, unusual; essential; valuable, worthwhile; worthy; effective, potent, powerful, telling; big-time, first-class, first-rate, front-page, top-notch; distinguished, eminent, famous, noted
Contrasted words: inconsiderable, little, minor, paltry, petty, slight, trivial
Antonyms: unimportant
2.
Synonyms: pompous 1, arrogant, bloated, magisterial, pontifical, puffy, self-important, stuffy, wiggy