Definition of OATH

noun : OATH

Source: WordNet 3.1

  • 2. (

    ) a commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury ;

  • 3. (

    ) a solemn promise, usually invoking a divine witness, regarding your future acts or behavior; "they took an oath of allegiance" ;

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