From ill- + prepared.
ill-prepared (comparative more ill-prepared, superlative most ill-prepared)
- Not well prepared. Not ready, or not in condition to do a task.
- He was ill-prepared for the exam. I'm not surprised he failed.
- William M Kelso, Jamestown - The Buried Truth
- The colonists, many of them gentlemen ill-prepared to be settlers, achieved failure at almost everything they tried.