unfathomable

“I’m interested in human behavior. I can never understand when somebody says they’re bored. That is the most unfathomable thing that you could say to me.”

Geopolitically, blowing up our alliances and the global economy in the name of “self-sufficiency” is unfathomably idiotic.

He told The Times: "I was just in complete disbelief. It was just unfathomable to me that things had escalated to this degree."

Mrs Nowland's family, at a sentencing hearing last month, said White's "unfathomable" and "inhumane" actions had forever changed their lives.

Gaxiola and his family soon drove off, leaving the ranch and environs to the police and investigators gathering clues to this unfathomable discovery that has transfixed Mexico.