What does grounded mean?
grounded
Definition
Of an aircraft: kept on the ground and not allowed to fly, for example after a fault is found or in bad weather.
Example sentences
The air show was a total letdown: the fighter jets were grounded because of the fog, so we just walked around them on the tarmac.
When that volcano in Iceland erupted, every plane in Europe was grounded and we were stuck in Lisbon for six days.