oath

/oʊθ/
noun
  1. A serious promise, often made in a court of law or as part of a ceremony, to tell the truth or do something faithfully.
    • The witness took an oath to tell the truth in court.
    • He swore an oath of loyalty to his country.
    • The doctor recited the Hippocratic oath before starting her practice.
  2. A swear word or curse; an offensive expression used to show anger or surprise.
    • She bit back an oath when she saw the broken vase.
    • The sailor muttered a string of oaths under his breath.
    • He let out an oath when he stubbed his toe.
What does "oath" mean? | whatsthatwordmean | whatsthatwordmean