[ProtectOurFreedom]

Interestingly, if you Google “adamantiumtastic,” all you find are various versions of this article. Think it’s a made-up word?

[Defiant]

I would guess that the root of the word has to do with diamonds. Adamantium being diamonds, so the word would mean “like diamonds”, i.e., hard. But that is just a guess.

[Madame Dufarge]

A play on someone's name?

Adam Antium

[goodnesswins]

Actually, in my Websters...”adamant” means “inflexible” and the word “adamantine” means “Unyielding”....