C2to cause someone or something to do a particular thing, or to cause something to happen: The explosion sent the crowd into a panic.Watching the television always sends me to sleep.[+ adj]UKHis untidiness sends her crazy/mad/wild.[+ -ing verb]The announcement of the fall in profits sent the company's share price plummeting(= caused it to go down a lot).The draught from the fan sent papers flying all over the room.Causing things to happen