Thesaurus
weighty
adjective
Synonyms and Antonyms of WEIGHTY
1
having a matter of importance as its topic <interrupted a weighty discussion with a silly question>
Related Words big, consequential, eventful, important, major, material, meaningful, momentous, portentous, significant, solid, substantial
Near Antonyms frivolous, insignificant, lite, little, Mickey Mouse, minor, silly, slight, small, trivial, unimportant
2
having great meaning or lasting effect <choosing a college is a weighty decision>
Synonyms big, consequential, earthshaking, earth-shattering, eventful, historic, major, material, meaningful, momentous, monumental, much, significant, substantial, tectonic, weighty
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
Antonyms inconsequential, inconsiderable, insignificant, little, minor, negligible, slight, small, trifling, trivial, unimportant
3
having great weight <lifted the weighty sack and wondered what was in it>
Related Words burdensome, leaden, lumpish; bulky, elephantine, massy, outsize (also outsized), voluminous; overweight, top-heavy; solid, substantial; ultraheavy
Near Antonyms airy, ethereal, feathery, fluffy, gossamer, gossamery; flimsy, insubstantial, slight; lightweight, undersized (also undersize), underweight; ultralight, ultralightweight
Antonyms light, weightless
4
not joking or playful in mood or manner <the police office looked at me with a rather weighty expression>
Synonyms earnest, grave, humorless, no-nonsense, po-faced [British], sedate, severe, sober, sobersided, solemn, staid, uncomic, unsmiling, weighty
Related Words harsh, stern, strict; businesslike, professional; dignified, distinguished, elevated, serious-minded; gloomy, grim
Near Antonyms antic, comic, comical, droll, farcical, funny, hilarious, hysterical (also hysteric), laughable, light, light-headed, ludicrous, ridiculous, riotous, risible, screaming, sidesplitting, uproarious; featherbrained, flighty, frivolous, goofy, harebrained, lighthearted, puerile, scatterbrained; absurd, asinine, balmy, brainless, cockeyed, crazy, cuckoo, daffy, daft, dotty, fatuous, foolish, half-witted, insane, jerky, kooky (also kookie), loony (also looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, unwise, wacky (also whacky), weak-minded, witless, zany
5
having power over the minds or behavior of others <one of the weightiest figures in the field of pediatric medicine>
Related Words cogent, controlling, dominating, masterful; dominant, predominant, regnant, sovereign (also sovran), supreme; eminent, important, momentous
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