This is the 10764th most frequent Turkish word.
dedikodu
Gossip; idle talk about others, often spreading rumors or private information.
Here, 'dedikodu' is used as a noun referring to the act of gossiping.
Dedikodu yapmak kimseye fayda sağlamaz.
Gossiping does not benefit anyone.
In this sentence, 'dedikodu' is also a noun, referring to idle talk or rumors spread among people.
Arkadaşlar arasında dedikodunun kötü sonuçları olabilir.
Among friends, gossip can have negative consequences.
In this case, 'dedikodu' again functions as a noun, describing the activity of talking about others.