The antonyms for the term "acting response" refer to the lack of action or response. The opposite of acting response is "inaction" or "passivity," indicating a lack of engagement or initiative. Another antonym could be "delay," implying a postponement of action or response. "Indifference" or "apathy" are also antonyms, suggesting a lack of concern or interest. "Denial" is another antonym, implying a refusal to acknowledge or respond to a situation. In summary, the antonyms of "acting response" signify a lack of action, interest, or involvement.