macrobioticEnglishOxford Dictionary of Englishmacrobiotic /ˌmakrə(ʊ)bʌɪˈɒtɪk / ▸ adjective consisting of or relating to a diet of organic wholefoods which is based on Buddhist principles of the balance of yin and yang: macrobiotic foods I shared a house with friends who were macrobiotic. ▸ (macrobiotics) plural noun [treated as singular] the use or theory of a macrobiotic diet.