What are the opposite words for pre-pared?

The antonyms for the word "pre-pared" include unprepared, improvised, ad-lib, and impromptu. These words refer to actions that are done without prior planning or organization. Unprepared implies a lack of readiness or forethought in a given situation. Improvised means to make do with what is at hand, while ad-lib suggests an unscripted or spontaneous performance. Impromptu refers to something done on the spur of the moment. All these words are opposite to prepared, which indicates a state of being organized, planned, and ready for an expected situation. The choice of the antonym for pre-pared depends on the context in which it is used.

Antonym of the day

most knee-slapper
boring, common, dramatic.