Unstreamed refers to something that has not been released or made available through a particular channel or platform. The antonyms for unstreamed are "streamed," "aired," "broadcasted," and "televised." When something is streamed, it is made available online, often through platforms like YouTube, Twitch, or Netflix. However, when it is aired, it is broadcast on television or radio, and when it is broadcasted or televised, it is made available to viewers through television channels. Therefore, the antonyms for unstreamed are all related to ways of making content available to a wider audience, whether it be through traditional media outlets or online platforms.