adamantine
- a consisting of or having the hardness of adamant
- s having the hardness of a diamond
- s impervious to pleas, persuasion, requests, reason; she would have none of him"- W.Churchill
- Given a program, given the political power to legalize it, it nevertheless took a dynamic personality to hammer the mold of "industrial democracy" on to the nation's adamantine .
- But standing in his way is the adamantine Hillary Clinton, whose organization, decades in the making, is deeply rooted from coast to coast.
- More common human flu viruses have also recently been shown to be developing a resistance to another set of antivirals called adamantine drugs.