
1) Anti-climatic occurrence 2) Anticlimactic occasion 3) Anticlimactic situation 4) Anticlimax 5) Big nothing 6) Big whoop, sarcastically 7) Disappointing occasion 8) Event 9) Insignificant occasion 10) Much ado about nothing 11) Nothingburger 12) Tempest in a teapot
Found on
https://www.crosswordclues.com/clue/nonevent

[
n] - an anticipated event that turns out to be far less significant than was expected
Found on
http://www.webdictionary.co.uk/definition.php?query=nonevent
noun an anticipated event that turns out to be far less significant than was expected
Found on
https://www.encyclo.co.uk/local/20974

an event or situation that is anticipated but does not occur or occurs with much less than the expected impact, esp. one that has been widely publicized; anticlimax. · an occurrence of only superficial interest or content; a dull or insignificant occasion.
Found on
https://www.infoplease.com/dictionary/nonevent
No exact match found.