n. something unyielding, something immovable; something hard; stone similar to a diamond
But the Commodore had been adamant.
But the woman remained sadly adamant.
He’d remained adamant that he wasn’t going to fight anything.
Her woman’s heart was not adamant, and this last lesson of love sufficed to soften it.
Bill was adamant that she should obey him.
He was adamant that he would follow the constitution and that free and fair elections would take place.
However, I am adamant, President Pöttering, that we must not make the same mistakes again.
I have been adamant that we need a strong united EU response.
I know that the Israeli Government is very clear and adamant about certain things it demands of a future Palestinian Government.
I think we should be adamant about that.
resolute: determined, firm, inflexible, stanch, unyielding, uncompromising, relentless