• synonyms

solemn vow

noun Roman Catholic Church.
  1. a perpetual, irrevocable public vow taken by a religious, in which property may not be owned by the individual, and marriage is held invalid under canon law.
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Compare simple vow.

Origin of solemn vow

Middle English word dating back to 1350–1400
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018