From Longman Dictionary of Contemporary Englishill-preparedˌill-preˈpared adjective not ready for somethingill-prepared for The country was ill-prepared for war.
Examples from the Corpus
ill-prepared• I arrived perplexed, cold and totally ill-prepared as a young naval officer at Wilhelmshaven that winter.• By historical standards, companies and consumers look badly over-borrowed and ill-prepared for a downturn.• Concentrating on the trapped defenders, the Chaos army was ill-prepared for this fresh assault from Magnus's army.• But inadequate and ill-prepared though she felt, she knew she could not turn back now.• But it was too late - the meeting was ill-prepared to discuss the item.• They went to ill-prepared, unfinished blocks, often without furniture or bedding. 