Deictic is a term used in linguistics to describe words or phrases that have a context-dependent meaning, such as words that refer to time, location, or persons. The antonyms for the word "deictic" are non-deictic and extra-deictic. Non-deictic refers to terms that do not depend on context or require any specific conditions to convey meaning. On the other hand, extra-deictic describes words or phrases that refer to something outside the context, such as abstract concepts or emotions that are not related to a specific time or location. By understanding the antonyms of deictic, one can better understand the nuances of language and how words can hold meaning in different ways.