She ill-advisedly ignored the weather warnings and went hiking alone.

It's frightening to see someone be taken ill so quickly.

As the conference progressed, several delegates began to take ill from the heat and had to leave.

If several students fall ill during the trip, we will have to cut it short.

The ill-mannered guest interrupted the dinner conversation with loud complaints.

The nobleman publicly disavowed the ill-begotten son, refusing to acknowledge him as part of his lineage.

The company was forced to return the ill-gotten profits after the fraud was exposed.

After the scandal, the company sank further into ill-repute among customers.

The ill-famed tavern at the end of the alley was avoided by locals after dark.

The rescue team felt ill-equipped to handle the sudden flood.