I'm utterly disinterested.

Meaning

Showing no interest at all.

Examples

• John: Did you enjoy the movie?
• Alice: To be honest, <b>I'm utterly disinterested</b>. It was terribly boring.
• John: Oh really? I thought it was quite gripping.
• Alice: I completely disagree. From beginning to end, <b>I'm utterly disinterested</b> in the plot.