adamant

What does "adamant" mean?
The word "adamant" describes someone who is refusing to be persuaded or to change their mind. The mental image is that of a stone or an unbreakable object; just as a diamond (from which the word etymologically stems) is incredibly hard and resistant to scratching, an adamant person stands firm against pressure or requests. In practice, it is often used in professional or serious contexts to describe a stance on a policy, a decision, or a boundary. While it implies strength of character, it can sometimes carry a negative connotation of being stubborn or inflexible, depending on whether the speaker views that firmness as a virtue or a nuisance.
"adamant" in conversation
Office negotiations
I really think we should extend the deadline by a week.
I really think we should extend the deadline by a week.
I’ve already asked the manager, but he is adamant that we finish by Friday.
I’ve already asked the manager, but he is adamant that we finish by Friday.
Used to emphasize that the manager is immovable on the deadline.
Planning a trip
Are you still sure about hiking in this rain?
Are you still sure about hiking in this rain?
I’m adamant about going; I’ve been looking forward to this all month.
I’m adamant about going; I’ve been looking forward to this all month.
Shows personal resolve despite external conditions.
"adamant" in a sentence
He was adamant that he had done nothing wrong.
He was adamant that he had done nothing wrong.
Despite the mounting evidence against his theory, the scientist remained adamant in his convictions.
Despite the mounting evidence against his theory, the scientist remained adamant in his convictions.
The committee was adamant that the new regulations be implemented immediately, regardless of the potential administrative burden.
The committee was adamant that the new regulations be implemented immediately, regardless of the potential administrative burden.