weighty Synonyms - page 2

sobersided wakeless influential worrisome strong suasive substantial substantive superincumbent taxing toilsome tough trying unwieldy urgent valid valuable vital well-founded overwhelming ambitious crushing cumbersome cumbrous dense determinative difficult earnest effective efficacious elephantine esoteric eventful crucial critical affecting authoritative BIG bulky burly challenging commanding compelling consequential considerable consignificant constitutive convincing exigent fateful