1. (adj) weighty
having relatively great weight; heavy
Synonyms: heavy, corpulent, obese, grave, rotund, telling, grievous, cogent
Antonyms: light, thin, dissuasive, lean, unimportant, weightless
2. (adj) cogent, telling, weighty
powerfully persuasive
Synonyms: heavy, corpulent, obese, weighty, grave, revealing, telltale(a), rotund, impressive, telling, grievous, cogent
Antonyms: weightless, thin, unimportant, light, lean, dissuasive
3. (adj) grave, grievous, heavy, weighty
of great gravity or crucial import; requiring serious thought
Synonyms: heartrending, sullen, laborious, heavy, overweight, toilsome, intemperate, corpulent, sound, serious, gruelling, dense, grueling, wakeless, with child(p), threatening, solemn, grave, profound, backbreaking, severe, cloggy, heavy(a), large(p), great(p), clayey, enceinte, flagitious, grievous, monstrous, fleshy, atrocious, weighed down, hard, weighty, impenetrable, life-threatening, expectant, lumbering, ponderous, sedate, heartbreaking, sonorous, dangerous, arduous, operose, sober, rotund, heavy(p), big(a), labored, obese, laboured, punishing, cogent, telling, gravid, big(p), lowering, leaden
Antonyms: unimportant, light, thin, lean, dissuasive, weightless
4. (adj) weighty
weighing heavily on the spirit; causing anxiety or worry
Synonyms: heavy, corpulent, obese, grave, rotund, telling, grievous, cogent
Antonyms: light, unimportant, lean, weightless, dissuasive, thin
5. (adj) corpulent, obese, weighty, rotund
excessively fat
Synonyms: pear-shaped, heavy, corpulent, obese, round, weighty, rotund, orotund, grave, telling, grievous, cogent
Antonyms: lean, weightless, unimportant, thin, dissuasive, light
|
Synonyms for weighty 
