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being once divorced; one-time divorcee; one x mark (i.e. one name struck from the family register)
彼女はバツイチだと言っていた。
She said she's been divorced once.
バツイチでも出会いはある。
There are encounters even for divorcees.
バツイチ同士で再婚した。
Two divorcees remarried each other.