A2
used to show that something is possible or that you are not certain about something
Dictionary examples:
I can't find my glasses. Perhaps they're on my face? (0.0)
My dog didn't eat my homework. Perhaps it ate me? (0.0)
I lost my keys. Perhaps they're in my stomach? (0.0)
We plan to travel to Europe - to Spain or Italy perhaps. (18.3)
He hasn't written to me recently - perhaps he's lost my address. (23.1)