The word 'categorical' is correct and usable in written English
You can use it to describe something that is absolute and definite, often used in response to a question or statement to emphasize a point. For example, "It was a categorical no from the teacher."
"We deplore the categorical refusal by the British of Unesco's invitation to launch a mediation process over the Parthenon sculptures housed in the British Museum," the cultural minister had said.
I could see the danger of thinking of oneself in those categorical terms.
I want to put such absurdities to rest once and for all and give you a categorical assurance that, if Londoners voted for me to be their first elected mayor, I would work with your Government, not against it.
Now you are black, or you are Asian – a categorical wall has been put up.
And it is categorical in its conclusion: climate change has not stopped and man is the main cause.It may be the last report of its kind: a growing chorus of experts thinks a more frequent, less bally-hooed and more up-to-date assessments would be more useful.
It is hard to be categorical about the relationship between locals and a global network.
The foreign ministry is a mite less categorical: it says that Pakistan must take "tangible steps" towards ending terrorism before talking again.
Every small step forward caused bitter controversy at home, starting with the decision in the late 1990s to send troops to Kosovo for humanitarian reasons, but in a break with Germany's categorical pacifism.
The day after Mr Schröder's categorical Nein to tax hikes, Wolfgang Clement, the powerful premier of North Rhine-Westphalia, the most populous of Germany's 16 Länder (states), announced that he was ready to introduce a bill in the Bundesrat, the parliamentary chamber where the states are represented, to bring in a new wealth tax.
Mr Kant's imperatives are welcome, but they can offer no categorical guarantee that investors will respond.
"I was against the politics of categorical exclusion," she explained.
