I think "nonevent" is an event that is either boring or not interesting.
Nonevent= An event or situation that is anticipated but does not occur or occurs with much
less than the expected impact, especially one that has been widely publicized; anticlimax.
Nonevent= An event or situation that is anticipated but does not occur or occurs with much
less than the expected impact, especially one that has been widely publicized; anticlimax.