mainful
adjEtymology From Middle English meinful, mainful, maynful; equivalent to main (“power, might”) + -ful.
- […] And others, the rebellious cast down / Upon them : thus the mainful main was isled / From the disruption'd heaven ; but the Lord / Present commands his saints […]1844, The wars of Jehovah, in Heaven, earth and Hell
- […] to make some nook of God's creation a little more fruitful, better, more worthy of God; to make some human hearts a little wiser, more mainful, happier, more blessed, less accursed.1906, Clarkson College of Technology, Clarkson College of Technology Bulletin - Volume 3: