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oath

/oʊθ/ · oath
noun
  1. A solemn promise or vow, often made in a formal or ritualistic manner. She took an oath to protect the environment during her inauguration as the new mayor.
  2. A sworn statement or declaration, often made under penalty of perjury. The witness was asked to take an oath before testifying in court.
  3. A curse or imprecation, often used in a formal or ritualistic manner. The ancient warriors took an oath to avenge their fallen comrades.
Did you know? The word 'oath' has been used in various forms throughout history, including in ancient Greek and Roman cultures, where it was often used to seal agreements or make solemn promises.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 13, 2026