A terminal device including an operation unit configured to receive an operation instruction performed by an external object; an operation disabling controller which performs control such that when the terminal device is in a disabled state, the operation instruction performed on the operation unit is ignored or the disabled state is cancelled; an operation detector which outputs, when a touch operation by the external object is detected, content of the touch operation as the operation instruction; an operation speed determination unit which determines whether a movement speed of the touch operation is higher than a predetermined threshold; and an operation controller which instructs the operation disabling controller to cancel the disabled state and control execution of a predetermined function when it is determined that the touch operation is an operation instruction to cancel the disabled state and in accordance with the movement speed of the touch operation.