The phrase "more too-too" refers to an excessive or exaggerated amount of something. Some possible antonyms for this phrase could include "less," "moderate," "reasonable," "balanced," or "sufficient." These words suggest a more measured or appropriate quantity of something, rather than an excessive or overwhelming amount. In certain contexts, antonyms for "more too-too" might include more specific descriptors such as "subtle," "dainty," or "delicate," which can signal a more refined or restrained approach. Depending on the situation, using an antonym for "more too-too" can help convey a sense of moderation, sophistication, or simplicity.