The antonyms for the word "not current" include "up-to-date," "current," "modern," "recent," "present," "contemporary," and "timely." These words describe things that are current, relevant, and in the current time frame. Opposite words for "not current" also include "outdated," "obsolete," "archaic," "ancient," "moldy," "old-fashioned," and "outmoded." These words depict things that are no longer in use, out of date, or irrelevant. When trying to communicate a clear message, using the appropriate antonyms for the word "not current" is crucial to avoid any confusion or potential misinterpretation.