"fairly tired" is correct and can be used in written English.
It is commonly used to describe feeling tired but not overly so. For example: "I'm feeling fairly tired after working all day, so I think I'll go to bed early."
Not at all tired A little tired Fairly tired Very tired What Your Score Says About You 5-7: You have no trouble staying up late into the night.
From the book: "I'm quite tired" means "I'm fairly tired".
"I was fairly tired," he said.
He was fairly tired [at the finish], but we consolidated our position without tiring him into the ground".
Mr. Sagal, the genial host of the game show "Wait Wait... Don't Tell Me" on NPR, begins with a device that's getting fairly tired on television: He announces that he can't merely tell us about the Constitution, he must go in search of it by crisscrossing the country, a road trip to ferret out what binds us or doesn't.
What makes Gagnier qualified to hold the exalted position of congresswoman? "People are fairly tired of representatives that are 'politically institutionalized.' It is important not to underestimate some of the competition in this race that have spent time in state politics, but I believe people are looking for an alternative," she said.
It looked O.K., but you get tired of it fairly quickly.
They could recommend a fairly low tire pressure, which would give the Explorer a more stable ride (except when a tire failed) -- as well as the softer ride favored by people accustomed to cars.
They are pretty short on description, with the prize for most commonly used adjective going fairly overwhelmingly to "tired", and contain only occasional elaboration ("tired – knackered actually").
Thus the claim that people are "tired" of seeing slavery is fairly indefensible in relationship to the number of other historical genres that have many notable films.
Referring to footage of the protests he saw on televised news reports, Mr. Aites said, "I'm tired of seeing people drumming that is fairly indistinguishable from the parking lot of a Grateful Dead show".
