unprepared

adjective
UK /ˌʌnprɪˈpeəd/
US /ˌʌnprɪˈperd/

Not ready for something that is going to happen.

She felt unprepared for the surprise quiz.


OTHER MEANINGS

2. Not made ready in advance, as a meal or speech.

He gave an unprepared speech at the party.

3. Lacking the necessary equipment or training for a task.

The hikers were unprepared for the cold weather.

4. Not processed or made suitable for use.

The unprepared land was full of rocks and weeds.