分泌ぶんぴつ Common Noun Irregular Transitive Intransitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru transitive verb intransitive verb secretion 女性ホルモン分泌の乱れが不妊症の大きな原因です。 Female hormone imbalance is a major cause of infertility.