The term "opening outs" refers to the act of making something accessible or available to others. It involves creating opportunities or chances for people to partake in a particular activity or event. The antonyms of "opening outs" include words that convey the opposite meaning, such as "blocking," "closing off," "hindering," "inhibiting," "limiting," "preventing," or "restricting." Instead of providing access, antonyms for "opening outs" denote actions that prevent access, limit possibilities, and create barriers. Some examples of antonyms for "opening outs" in a sentence include, "She blocked the entrance, which prevented anyone from coming in," or "The restrictions on attending the event were hindering.