Synonyms and Antonyms of important
- the discovery of penicillin was a very important event in the history of medicine
decisive, fatal, fateful, strategic
earnest, grave, heavy, serious, sincere
distinctive, exceptional, impressive, outstanding, prominent, remarkable
distinguished, eminent, great, illustrious, noble, notable, noteworthy, outstanding, preeminent, prestigious
all-important, central, critical, crucial, essential, key, pivotal, seminal, vital
- Rachel Carson was an important figure in the environmental movement
able, capable, competent, effective, efficient
authoritarian, autocratic (also autocratical), despotic, dictatorial, magisterial, tyrannical (also tyrannic)
celebrated, distinguished, dominant, eminent, famed, famous, great, illustrious, noble, notable, noteworthy, notorious, outstanding, preeminent, prestigious, prominent, renowned
dynamic, energetic, forceful, high-powered, robust, vigorous
- an important businessman who always expects special treatment wherever he goes
arrogant, assumptive, bumptious, cavalier, chesty, haughty, high-and-mighty, high-handed, high-hat, highfalutin (also hifalutin), huffish, huffy, imperious, lofty