oath

play
noun \ˈōth\

Definition of oath

plural

oaths

play \ˈōthz, ˈōths\
  1. 1a (1) :  a solemn usually formal calling upon God or a god to witness to the truth of what one says or to witness that one sincerely intends to do what one says (2) :  a solemn attestation of the truth or inviolability of one's words The witness took an oath to tell the truth in court.b :  something (such as a promise) corroborated by an oath They were required to swear an oath of loyalty. took the oath of office

  2. 2 :  an irreverent or careless use of a sacred name; broadly :  swear word He uttered an oath and stormed away.

Examples of oath in a Sentence

  1. an oath to defend the nation

  2. He uttered an oath and walked away.

Recent Examples of oath from the Web

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.

Origin and Etymology of oath

Middle English ooth, from Old English āth; akin to Old High German eid oath, Middle Irish oeth



OATH Defined for English Language Learners

oath

play
noun

Definition of oath for English Language Learners

  • : 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.


OATH Defined for Kids

oath

play
noun \ˈōth\

Definition of oath for Students

plural

oaths

\ˈōthz, ˈōths\
  1. 1 :  a solemn promise to tell the truth or do a specific thing

  2. 2 :  an obscene or impolite word used to express anger or frustration


Medical Dictionary

oath

Medical Definition of oath


Law Dictionary

oath

noun

Legal Definition of oath

  1. 1 :  a solemn attestation of the truth of one's words or the sincerity of one's intentions; specifically :  one accompanied by calling upon a deity as a witness

  2. 2 :  a promise (as to perform official duties faithfully) corroborated by an oath — compare perjury

under oath

  1. :  under a solemn and especially legal obligation to tell the truth (as when testifying)



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