not pleasing to the sense of taste lacking interest or significance; "an insipid personality"; "jejune novel" lacking significance or impact; "an insipid novel
A taste taint giving the coffee brew a lifeless character, due to a loss of organic material in the coffee bean Result of oxygen and moisture penetrating the bean fiber after roasting
disapproval If you describe food or drink as insipid, you dislike it because it has very little taste. It tasted indescribably bland and insipid, like warmed cardboard. = bland, flavourless