weighty 
/ˈweɪti/ adjective
weight·i·er; weight·i·est /ˈweɪti/ adjective [also more weighty; most weighty] 1 : having a lot of weight : heavy
▪ She grabbed a weighty book off the shelf. 2 : very important and serious
▪ The film deals with some weighty issues. 3 : having the power to influence the opinions of other people
▪ Those are weighty arguments in your favor. ▪ He was a weighty figure in the art world.
▪ She grabbed a weighty book off the shelf.
▪ The film deals with some weighty issues.
▪ Those are weighty arguments in your favor. ▪ He was a weighty figure in the art world.
— weight·i·ness /ˈweɪtinəs/ noun [noncount]
/ˈweɪtinəs/ noun [noncount]
