Unacceptably

Despite advances in the response to malaria, the death toll among children, particularly in Africa, remains unacceptably high, according to a public health expert.

The levels of lead in marine hull paints are still unacceptably high.

Your comments are unacceptably provocative.

Network Rail has started an 18-month recovery plan from "unacceptably poor" performance on its Western route between London Paddington and Reading.