weighty

weighty

adjective

Definition of WEIGHTY

1

having a matter of importance as its topic <interrupted a weighty discussion with a silly question>

Synonyms grave, heavy, weighty

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

Antonyms light, unserious

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

Near Antonyms paltry, petty, worthless; anonymous, nameless, obscure, uncelebrated, unknown

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>

Synonyms hefty, massive, ponderous, weighty

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

Antonyms facetious, flip, flippant, humorous, jesting, jocular, joking, kittenish, ludic, playful

5

having power over the minds or behavior of others <one of the weightiest figures in the field of pediatric medicine>

Synonyms authoritative, forceful, weighty

Related Words cogent, controlling, dominating, masterful; dominant, predominant, regnant, sovereign (also sovran), supreme; eminent, important, momentous

Near Antonyms helpless, impotent, powerless, weak; incapable, unable