The antonyms for the word "documentations" refer to the absence or lack of documents or record-keeping. These antonyms include "unrecorded," "unwritten," "nondocumentation," "omission," and "neglect." Unrecorded refers to something that has not been documented, such as a transaction or event. Unwritten, on the other hand, pertains to the lack of a written source or record. Nondocumentation suggests a lack of official paperwork or formal documentation. Omission implies something missing or excluded from the documentation. Neglect, on the other hand, refers to a conscious decision not to document or record an item, event, or action. These antonyms highlight the importance of proper record-keeping and documentation in various areas of life, including business, education, and government.