Having a bad reputation.

Not well equipped; lacking important resources and supplies. / Mentally unprepared for a situation or task.

Occurring at an unfavourable or inappropriate time; untimely

ill-mannered and unrefined because of a lack of upbringing or education / (of animals) of bad breed

In an ill-natured manner.

In an ill-advised manner.

unlucky; doomed.

Showing ill will.

Not properly planned or thought through.

Alternative spelling of ill humor