Not marriageable, unsuitable for marriage.(adjective)
That cannot be reconciled, inconsistent.(adjective)
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Use "unmarriageable" in a sentence
"If a woman is young and single and diagnosed with breast cancer, all of a sudden she may be classified as unmarriageable for she is now defective and imperfect."
"Were Jewish women allowed into the full ranks of Jewish community leadership only if they were 'unmarriageable' or long past childbearing age?"
"In some cultures a woman who has not had this operation is considered "unmarriageable"."