The word 'exclusively' is correct and usable in written English. You can use it to describe something that exists or happens without any other things being included or involved. For example, you could say: "This store sells exclusively high-end designer clothing.".
After a second stab at devolution succeeded in 1998-99, the SNP worked to the general principle that it would not meddle in exclusively English affairs.
Homan Square is hardly concerned exclusively with terrorism.
Curiously, in fact, it's almost exclusively women who are policed with the shouts of "it's worse elsewhere so think yourself lucky".
The myth of the 'pause' is based on ignoring 98 percent of global warming and focusing exclusively on the one bit that's slowed.
However, if it is a second/holiday home that is being used exclusively or mainly by you and your family, or you rent it out to UK holidaymakers who pay you in sterling, then the mortgage borrowing should be in sterling.
This is one reason why Irish Aid is spending part of its €2.1m (£1.7m) investment on Saturday courts around the country to deal exclusively with women, as part of a bid to reduce the backlog of cases.
Obviously to ask what Hopkins was thinking would be utterly redundant, because her mind is constantly and exclusively full of nothing but fire and screaming and the sound of crying children.
Being a terminologist, I care about word choice. Ludwig simply helps me pick the best words for any translation. Five stars!
Maria Pia Montoro
Terminologist and Q/A Analyst @ Translation Centre for the Bodies of the European Union