"Out-mode" refers to something that is outdated, old-fashioned, or no longer in style. In contrast, its antonyms would be words that describe items that are current, modern, and in-style. These antonyms could include words like "trendy," "fashionable," "stylish," "contemporary," "current," "up-to-date," "cutting-edge," and "innovative." These words oppose the notion of something being unhip or out of fashion, suggesting instead that these items have an edge and are desirable. Antonyms for "out-mode" highlight the importance of staying current and stylish while opposing the idea of being outdated or belonging to the past.