▸ noun the possibility of suffering harm or injury:
his life was in danger.
▪ a person or thing that is likely to cause harm or injury:
infertile soils where drought is a danger.
▪ the possibility of something unwelcome or unpleasant:
there was no danger of the champagne running out.
▪ British the status of a railroad 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.
– ORIGIN Middle English (in the sense ‘jurisdiction or power’, specifically ‘power to harm’): from Old French dangier, based on Latin dominus ‘lord’.