the possibility of suffering harm or injury:his life was in danger
[count noun] a cause or likely cause of harm or injury:the dangers of smoking
the possibility of something unwelcome or unpleasant happening:she was in danger of being exploitedthere was no danger of the champagne running out
British the status of a railway signal indicating that the line is not clear and that a train should not proceed:one of the trains involved passed a signal at danger
out of danger
(of a person who has suffered a serious injury or illness) not expected to die:the hospital said she was out of immediate danger