Quan trọng, trọng đại, trọng yếu, hệ trọng

an important event

một sự kiện quan trọng

important personalities

những nhân vật trọng yếu

Có quyền thế, có thế lực

to be self-important

ra vẻ mình là nhân vật quan trọng

quan trọng

important customer

khách hàng quan trọng

important part

phần quan trọng

important safety

sự an toàn quan trọng

adjective

big , big-league * , chief , considerable , conspicuous , critical , crucial , decisive , determining , earnest , essential , esteemed , exceptional , exigent , extensive , far-reaching , foremost , front-page , grave , great , heavy , imperative , importunate , influential , large , marked , material , mattering much , meaningful , momentous , necessary , of moment , of note , of substance , paramount , ponderous , pressing , primary , principal , relevant , salient , serious , signal , significant , something , standout , urgent , vital , weighty , aristocratic , big-time , distinctive , distinguished , effective , extraordinary , famous , first-class * , four-star , grand , heavy * , high-level , high profile , high-ranking , high-up , honored , illustrious , imposing , incomparable , leading , majestic , major-league , noble , notable , noted , noteworthy , page-one , potent , powerful , preeminent , prominent , remarkable , seminal , solid , superior , talented , top-drawer , top-notch * , upper-class , vip * , well-known , consequential , historic , monumental , substantial , earthshaking , eminent , epochal , major , pivotal , pompous , strategic , striking , valuable

adjective

inappreciable , insignificant , little , nonessential , small , trivial , unimportant , unsubstantial , powerless , unknown , worthless