排はいFreq.FrequencyTop 20,000Meanings1prefixanti-; exclusion; rejectionPrefix used in compounds to express opposition, exclusion, or rejection of something. Common in political, social, and technical terms.排はい他た的てきな態たい度どはよくない。An exclusive attitude is not good.この装そう置ちには排はい気き機き能のうが付ついている。This device has an exhaust function.