This is the 33rd most frequent Turkish word.
iyi
Good.
The word 'iyi' here is used as an adjective to describe the quality of the movie.
Bu film gerçekten çok iyi.
This movie is really very good.
In this sentence, 'iyi' is used as an adjective to describe the type of teacher as being good.
İyi bir öğretmen olmak için sabırlı olmalısınız.
To be a good teacher, you must be patient.
In this sentence, 'İyi' is used in an idiomatic expression to convey gratitude or relief regarding someone's presence.