Collocations for unfair - adj.

be, seem | consider sth, regard sth as, think sth
She thought it most unfair that girls were not allowed to take part.

extremely, grossly, terribly, very
I thought the decision was grossly unfair.

quite, totally, utterly, wholly | a bit, a little, pretty, rather, slightly | blatantly, demonstrably, patently

to
He was terribly unfair to the younger children.