Noun. The hardest metallic element, usually used in fantasy books or role playing games, esp. D&D or Forgotten Realms.
The gate to the Baenre manner were constructed of adamantite, and blessed by Lolth.
by Darlingdeath May 06, 2006
1 more definition
The second most powerful plate non-member material in runcape. Also known as Addy.
Selling adamantite 2 hander! 10k
by Cylun February 08, 2004