This is the 397th most frequent Turkish word.
şüpheli
"Şüpheli" means "suspicious" or "suspect" in English.
Here, 'şüpheli' is used as an adjective describing an object that appears to be suspicious or questionable.
Şüpheli bir nesne buldum.
I found a suspicious object.
'Şüpheli' refers to a person who is suspected of being involved in an incident, functioning as a noun.
Olay yerine bir şüpheli görüldü.
A suspect was spotted at the scene.
In this context, 'şüpheli' emphasizes doubt or uncertainty about something, employed metaphorically as an adjective.