adamant in Polish
adamant in Polish
nieustępliwy
(said of people and their conviction) Firm; unshakeable; unyielding; determined.
zdecydowany
(said of people and their conviction) Firm; unshakeable; unyielding; determined.
adamant
An imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.