1 unexpected event that causes damage/injury
ADJ. dreadful, horrific, major, nasty, serious, terrible, tragic, unfortunate | fatal a fatal road accident | minor, slight | freak Their boat sank in a freak accident. | near (= that nearly happens, but does not) | hit-and-run | aircraft, canoeing, car, climbing, flying, industrial, motor, nuclear, road, traffic, etc.
VERB + ACCIDENT be involved in, have, meet with She met with an accident while on holiday in Spain. | cause | prevent | survive
ACCIDENT + VERB happen, occur, take place
ACCIDENT + NOUN prevention | rates, statistics
PREP. in an/the ~
PHRASES an accident involving He was badly hurt in an accident involving two cars and a lorry. | the scene of the accident The ambulance took only six minutes to reach the scene of the accident.
2 sth not planned in advance
ADJ. pure, sheer By pure accident he had come across the very man who could solve the mystery.
PREP. by ~ We met by accident at the airport.
PHRASES be no accident that … It is no accident that men fill most of the top jobs. | by accident or design It happened, whether by accident or design, that Steve and I were the last two people to leave.