Unprepared (adjective)

Not ready or organized.

Origin:

From the prefix "un-" meaning "not" and the verb "prepare" meaning "to make ready".

Examples:

1. I was caught off guard and completely unprepared for the exam.
2. The company was unprepared for the sudden increase in demand.
3. He was unprepared for the harsh winter and froze to death.
4. Due to lack of funding, the school was unprepared to deal with the influx of students.
5. The government was unprepared for the natural disaster, and it caused a lot of damage.