Used when the truth is not straightforward but has some complexity or subtlety. He's the owner, in a manner of speaking, though the bank holds the mortgage.
Pro Tip 2/3
Softening Statements
Softens a statement that might be too direct or harsh. You're responsible for this disaster, in a manner of speaking.
Pro Tip 3/3
Conversational Tone
Often used in casual conversation to indicate a relaxed approach to the subject. We're broke, in a manner of speaking—time to start saving!