We've tried to talk him into coming with us, but he's adamant about staying here.
<remained adamant about getting the actor's autograph even after he had disappeared backstage>
I am keen not to share my genetic code with my insurer, I am keen that my doctor should know it and use it, but I am adamant to the point of fanaticism that it is my decision. —Matt Ridley, Genome, 1999
Arrive to find child physically intact but … adamant that he will not remain another minute in Ski Bunny program. Despite their ‘professionalism,’ staff members eagerly concur. —Christopher Buckley, New Yorker, 10 Mar. 1997
In the years following the First World War, the debts of our wartime allies and others came to be considered a serious burden on international commerce and well-being. Calvin Coolidge was adamant on repayment. —John Kenneth Galbraith, New Yorker, 21 Apr. 1986
inflexible, obdurate, adamant mean unwilling to alter a predetermined course or purpose. inflexible implies rigid adherence or even slavish conformity to principle <inflexible in their demands>. obdurate stresses hardness of heart and insensitivity to appeals for mercy or the influence of divine grace <obdurate in his refusal to grant clemency>. adamant implies utter immovability in the face of all temptation or entreaty <adamant that the work should continue>.
ADAMANT Defined for Kids
Definition of ADAMANT for Kids
: not giving in <I tried to change her mind, but she was adamant.>