significant

Synonyms

big, consequential, earth-shattering, earthshaking, eventful, historic, important, major, material, meaningful, momentous, monumental, much, substantial, tectonic, weighty;

Antonyms

inconsequential, inconsiderable, insignificant, little, minor, negligible, slight, small, trifling, trivial, unimportant;

Near Antonyms

paltry, petty, worthless;

anonymous, nameless, obscure, uncelebrated, unknown;

Related Words

decisive, fatal, fateful, strategic;

earnest, grave, heavy, serious, sincere;

distinctive, exceptional, impressive, outstanding, prominent, remarkable;

valuable, worthwhile, worthy;

distinguished, eminent, great, illustrious, noble, notable, noteworthy, outstanding, preeminent, prestigious;

famous, notorious, renowned;

all-important, central, critical, crucial, essential, key, pivotal, seminal, vital;