Wiktionary
unwaning
a. Not wane.
Usage examples of "unwaning".
But all the witcheries of that unwaning weather did not merely lend new spells and potencies to the outward world.
Lord Juss, blaspheme not the bounty of the blessed Gods, lest They be angry and withdraw it, Who have granted unto you of Demonland from this day forth youth everlasting and unwaning strength and skill in arms, and--but hark!