unprepared
/ˌʌnprɪˈpɛrd/
adjective
- Not ready to deal with something; lacking necessary preparation.
- She felt unprepared for the final exam because she had not studied enough.
- He arrived at the meeting unprepared, without any notes or data.
- The team was unprepared for the sudden change in weather during the hike.
- Not made or done in advance; spontaneous or improvised.
- It was an unprepared performance, but the actors managed to entertain everyone.
- The speaker gave an unprepared speech that still impressed the audience.
- Their unprepared response to the crisis caused confusion.
Synonyms