The word "in formational" refers to something that is informative, conveying knowledge or information. Its antonyms are words that convey a lack of information or knowledge, such as uninformative, noneducational, unintellectual, unenlightening, and uninstructive. These words indicate a lack of substance or depth in the content provided. Antonyms of "in formational" can also include words that convey a lack of clarity or accuracy in the information given, such as inaccurate, misleading, or false. When seeking to convey a lack of knowledge or information, these antonyms are useful in communicating the limitations of what is being presented.