Hmm yes.  The've also been described as wispy shapes or realistic and lifelike!
Descriptions of ghosts vary widely from invisible to translucent.  What did you see or feel?
hey do you think ghosts exists? Hmm I don't know.  They've been described as being translucent or even invisible, as I understand. Yes.  But I think I've heard of other sorts of descriptions, too.
Descriptions of ghosts vary widely from an invisible presence to translucent or barely visible wispy shapes, to realistic, lifelike visions.