- (intransitive, idiomatic) To fall from an upright or standing position to a horizontal or prone position.
- (intransitive, idiomatic) Of an argument, to fail to be valid.
- (intransitive, idiomatic, informal, computing) Of a computer program or system, to crash.
- (intransitive, idiomatic, informal, South Africa) To break down; to become inoperable.
- We'll have to walk; my car has fallen over.
- (fall to a horizontal position): topple
fall from an upright position to a horizontal position