Unprepared

I was unprepared.

I'm unprepared for this.

I was totally unprepared for this.

Tom was unprepared for the scathing criticism meted out to him by his boss.

Dan went to his first exam unprepared.

Tom was woefully unprepared.

We were woefully unprepared.

They were woefully unprepared.

Tom told Mary that he thought John was unprepared.

Tom wasn't unprepared.

The castle was unprepared for the assault.

“It'll be all right,” I assured her. “Make a rule for yourself not to speak to anyone, and nobody's going to guess you can see. It was only being quite unprepared that landed you in that mess before. ‘In the country of the blind the one-eyed man is king’.”

I was unprepared for the change in attire and started slightly when the alectryomancer reappeared.

"He's got another rule: Whenever he gets three unprepareds in a row, he leaves the classroom."