Словарь синонимов английского языка - weighty

(adj) 1. heavy, ponderous, massive, huge, bulky, substantial, ample, large, mammoth, colossal, immense, enormous, gigantic, prodigious; corpulent, fat, obese, adipose, Colloq hefty: I found myself face to face with a rather weighty gentleman who was blocking the doorway. 2. important, consequential, significant, momentous, grave, crucial, portentous, thought-provoking, provocative: These are weighty matters and should be handled with circumspection. 3. influential, convincing, persuasive, impressive, telling, powerful, potent, leading; forceful: Weighty arguments have been put forward in support of these proposals.