I'm always wanted to go to Barcelona but am completely clueless.

Imagine a surgeon who is completely clueless, who has no idea what he or she is doing.

As good-natured as they come, Wilder is completely clueless about everything except sports and gaming.

She stared at him for a long moment, completely clueless as to what he could possibly be talking about.

Having just moved to Los Angeles, she is beautiful, but completely clueless.

"Hi," I said, trying to sound cheerful and completely clueless.

Although it does leave me with the uncomfortable feeling that the people in charge are completely clueless as to the consequences of their actions.

That loudmouth across the room was both factually wrong and completely clueless.

I've seen enough to know I'm outgunned, outclassed, and just about completely clueless.

The coaching staff is completely clueless about how to stop New England's slide toward mediocrity.