Ill-prepared

Many new teachers feel ill-prepared to teach basic literacy and numeracy.

Tom hadn't done much study and was ill-prepared for the exam.

Layla was ill-prepared to make that big transition.

I've got many a blister from my ill-prepared hike yesterday.

The country's police force is undermanned and ill-prepared to take on the gangs.

He was ill-prepared for the exam. I'm not surprised he failed.

The colonists, many of them gentlemen ill-prepared to be settlers, achieved failure at almost everything they tried.