voidable marriage
英[ˈvɔidəbl ˈmæridʒ]美[ˈvɔɪdəbəl ˈmærɪdʒ]
A voidable marriage (also called an avoidable marriage) is a marriage which can be canceled at the option of one of the parties. The marriage is valid but is subject to cancellation if contested in court by one of the parties to the marriage.