The term "on qt" means to keep something secret and confidential. Some antonyms for this phrase might include "openly," "publicly," or "honestly." These words convey a sense of transparency and honesty, rather than secrecy or privacy. Other antonyms might include "blatantly," "brazenly," or "obviously," which suggest a lack of discretion or self-restraint. In contrast, to be on qt implies that someone is being careful and deliberate, perhaps even sneaky, in their actions. Overall, antonyms for "on qt" emphasize the importance of being truthful and open with one's words and actions.