"fairly surprised" is correct and usable in written English.
You can use it to describe feeling an average degree of surprise. Example: I was fairly surprised when I opened my present and saw that it was a new phone.
"We were fairly surprised that it hadn't".
Updated at 10.45pm BST 10.29pm BST American classic - burger served in checkered paper 10.18pm BST Jimmy's Classic Drive-In The servers are fairly surprised to find us here.
So, Number 10 was fairly surprised when she wrote to the Prime Minister last month saying she wanted to step down.
"I was fairly surprised to find her name in the 1900 U.S. Census in an American Indian orphanage under her childhood name," she said.
I'd be fairly surprised if Apple updates its hard-drive based iPod classic ever again.
"We were fairly surprised when he was put our way but we are very happy to have signed him.
I showed it to a good number of people, and the reaction was fairly consistent: surprise or curiosity, followed by compliments.
The thief, we may fairly assume, was surprised.
But I would be surprised if, fairly soon, we didn't see blogs become a much bigger part of job searching and recruiting," Job seekers use blogs to establish a strong online presence, display their skills and advertise their availability.
For that reason, some researchers thought it unlikely that pre-exposure prophylaxis would protect drug addicts, and they were pleasantly surprised it worked fairly well.
She says: "I was surprised and indeed fairly horrified when I saw the final draft POSTnote, which was factually inaccurate in many places and frankly misleading in others.
