We use 'fairly' to show that something is true but only to a certain small or medium amount. It is often used to say something is not very strong or extreme.
She runs fairly fast for her age.
The movie was fairly good but not great.
'Fairly' can describe when something is done in the right way, following rules or standards. It means something is done correctly or well enough.
The contract was fairly signed by both sides.
Make sure to fairly complete the application form.
Sometimes, especially in older or poetic English, 'fairly' means something is done in a lovely or beautiful way. This use is rare today.
She was fairly dressed for the ball.
The garden was fairly arranged in the spring.
'Fairly' can show that something is good enough, though not excellent or perfect. It means acceptable or okay in quality or ability.
The room is fairly clean for guests.
He speaks English fairly well.
