What is the meaning of the word "oath"?

Definitions:

  1. A commitment to tell the truth, especially in a court of law. copy to clipboard NOUN
    • To lie under oath is to become subject to prosecution for perjury. copy to clipboard
  2. A solemn promise, usually invoking a divine witness, regarding your future acts or behavior. copy to clipboard NOUN
    • The ancient Greeks held their oaths in the highest regard, believing that breaking them invited divine retribution. copy to clipboard
    • They took an oath of allegiance. copy to clipboard
  3. Profane or obscene expression usually of surprise or anger. copy to clipboard NOUN
    • He swore an ironclad oath to protect his secret until the end. copy to clipboard
  4. Typically made in a formal setting and are used to affirm or swear to the truth of a statement or to commit to a particular course of action with a sense of binding sacredness. copy to clipboard NOUN
    • As a doctor, he swore an oath to first do no harm. copy to clipboard

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