異い性せいTop 6000MeaningsNounNo-adjective1. the opposite sex2. isomerismKanji used異different性nature (of a person)Pitch accentいせいいせいUsed in vocabulary異い性せい愛あい者しゃheterosexual (person)Noun異い性せい体たいisomerNoun異い性せい関かん係けいrelationships with the opposite sexNoun不ふ純じゅん異い性せい交こう遊ゆうillicit sexual relationshipNoun回かい転てん異い性せい体たいrotational isomerNoun異い性せい化か糖とうisomerized sugar; high-fructose corn syrup; HFCSNoun異い性せい愛あいheterosexuality; heterosexual loveNoun異い性せい化か酵こう素そisomeraseNoun光こう学がく異い性せいoptical isomerismNoun異い性せい化かisomerization; isomerisationNoun核かく異い性せい体たい転てん移いisomeric transition; nuclear isomer decayNoun異い性せい運うんone's luck with the opposite sexNounExamples1彼かの女じょは異い性せいの前まえでは非ひ常じょうに恥はずかしがる。She feels very shy in the presence of the opposite sex.