This is the 2272nd most frequent Turkish word.
başvuran
"Başvuran" means "applicant" or "someone who applies."
In this sentence, 'başvuran' is used as an adjective modifying 'adaylar', meaning 'applicants' or 'candidates'.
Başvuran adayların listesi duyuruldu.
The list of applicants has been announced.
Here, 'başvuran' acts as a present participle referring to people currently applying.
Bu işe başvuran kısa sürede bilgilendirilecektir.
Those applying for this job will be informed shortly.
In this case, 'başvuran' is used as a noun to mean 'the applicants' or 'those who applied'.