Definition of oath
- The witness took an oath to tell the truth in court.
- They were required to swear an oath of loyalty.
- took the oath of office
- He uttered an oath and stormed away.
an oath to defend the nation
He uttered an oath and walked away.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oath.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: before 12th centurySee Words from the same year
: a formal and serious promise to tell the truth or to do something
: an offensive or rude word that is used to express anger, frustration, surprise, etc.
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