This is the 3667th most frequent Turkish word.
un
Flour.
In this sentence, 'un' means 'flour', referring to the powdered substance used in baking.
Pasta yapmak için biraz un almanız gerekiyor.
You need to buy some flour to make a cake.
Here, 'un' is part of the verb 'unutmam' which means 'I do not forget'. It shows how 'un-' forms part of the verb stem for 'to forget'.
Eski günleri hiçbir zaman unutmam.
I never forget the old days.
In this example, 'un' again refers to 'flour', but this time highlighting its physical property of sticking to a surface.