過か敏びん性せい腸ちょう症しょう候こう群ぐんMeaningsNoun1. irritable bowel syndrome; IBSKanji used過surpass something敏quick-witted性nature (of a person)腸intestines症medical condition候season群a pack (e.g. of dogs)Composed of過か敏びんnervousness; oversensitivityNa-adjective性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun腸ちょうintestine; bowelNoun症しょう候こう群ぐんsyndromeNoun