The word "easygoingnesses" is a noun that refers to the quality of being relaxed, flexible or comfortable in any situation. When we look for antonyms of this word, we are searching for words that represent the opposite quality of being laid-back, carefree or unrestricted. Some of the antonyms for "easygoingnesses" could be strictness, severity, firmness or rigidity. These words often denote a more disciplined or structured approach towards work, relationships, or daily routines. Unlike "easygoingnesses", these qualities could be perceived as negative or undesirable in social situations that require a more relaxed or casual attitude. Thus, it's essential to understand the context of the word before interpreting its antonyms.