Criticalities, meaning the state of being crucial or important, have antonyms that refer to situations that are less pressing or urgent. One such antonym is insignificances, referring to events or circumstances that are minor or unimportant. Another antonym is trivialities, which specifically relates to issues that are of little significance. Non-essentials can also be used as antonyms for criticalities, indicating events or factors that are not essential or necessary. Finally, trivialness can also be used to refer to events or factors that are unimportant or lack significance, serving as an antonym to criticalities. All these terms represent the opposite of something that is critical or crucial.