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

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

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

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.

If he falls ill before the trip, he cancels his plans immediately.

I wore a mask to avoid falling ill during flu season.

She fell ill the night before the presentation, so her colleague stepped in to give the talk.

Because she had fallen ill, she canceled her presentation at the conference.