weighty -- (having relatively great weight; heavy; "a weighty load"; "a weighty package")
cogent, telling, weighty -- (powerfully persuasive; "a cogent argument"; "a telling presentation"; "a weighty argument")
grave, grievous, heavy, weighty -- (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")
weighty -- (weighing heavily on the spirit; causing anxiety or worry; "weighty problems")
(TTS Sound)
