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excessively fat; "a weighty man"
having relatively great weight; heavy; "a weighty load"; "a weighty package"
weighing heavily on the spirit; causing anxiety or worry; "weighty problems"
of great gravity or crucial import; requiring serious thought; "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference"
powerfully persuasive; "a cogent argument"; "a telling presentation"; "a weighty argument"