The word "de-truncates" means to restore or bring back something that has been truncated or cut short. Its antonyms, on the other hand, are words that have the opposite meaning to de-truncates. The first antonym of de-truncates is "truncate," which means to cut short or reduce something. Another antonym is "shorten," which means to make something shorter than its original length. Other antonyms for de-truncates include abbreviate, abridge, curtail, and shrink. These words are all related to making something smaller or shorter, which is the opposite of what de-truncates means.