what does adverse mean
uk â /ËÃ¦d.vÉËs/ /ÉdËvÉËs/ us â /Ã¦dËvÉËs/. C2 having a negative or harmful effect on something: The match has been cancelled because of adverse weather conditions. They received a lot of adverse publicity/criticism about the changes. So far the drug is thought not to have any adverse effects.