This is the 9554th most frequent Turkish word.
aleyhindeki
"Aleyhindeki" means "against him/her/it" or "opposing him/her/it."
Here, "aleyhindeki" describes a relationship where the claims are directed against the noun "basın" (press).
Basın aleyhindeki iddialar doğru mu?
Are the claims against the press true?
In this example, "aleyhindeki" explains that the decision was unfavorable or opposing to the plaintiff.
Davacı, aleyhindeki karara itiraz etti.
The plaintiff appealed the decision against them.
Here, "aleyhindeki" specifies that the rumors are in opposition to or target the student.