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Use "undyingly" in a sentence
"If they undyingly respect the manga and anime, I'd be on board but not sure with this."
"I mean, who doesn't want to keep monsters with a fucked-up sense of humour, that just won't die, are undyingly loyal, and speak a funny German accent?"
"I love her to death but at the same time I can't help but hate her undyingly."