moliminous

1. (now rare, archaic) Momentous, weighty.Examples: "those great moliminous Bodies of Parlaments are but slow in motion, and attendance will quickly exhaust a good puzzle and patience, before any thing can be done […]."; "some Prophecies are not conditional but absolute, as certainly all those are that are of so vast and moliminous Concernment to the World as the appearing of the Messias is."; "But it had moliminous ramifications in the political system in two respects […]."archaicnot-comparable

2. (now rare, archaic) Laborious, involving or exerting great effort; arduous.Examples: "And thus may the slow and imperfect wits of mortals be satisfied, that Providence to the Deity is no moliminous, laborious and distractious thing."; "All natural logick of expression in the elements is made thereby interrupted and most obscure, howe’er so skilled and moliminous the adeptist."archaicnot-comparable