oath

noun
\ ˈōth How to pronounce oath (audio) \
plural oaths\ ˈōt͟hz How to pronounce oaths (audio) , ˈōths \

Definition of oath

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

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Synonyms for oath

Synonyms

pledge, promise, troth, vow, word

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Examples of oath in a Sentence

an oath to defend the nation He uttered an oath and walked away.

Recent Examples on the Web

Before Trump took office in 2017, Ronald Reagan was the oldest person to take the presidential oath of office. Saba Hamedy, CNN, "President Donald Trump turns 72," 14 June 2018 However, later on, Sinema was seen without the stole for her oath reenactment ceremony. Erica Gonzales, Harper's BAZAAR, "Senator Kyrsten Sinema Brought Some Major Lewks to Congress," 4 Jan. 2019 Not taking this oath solemnly and with the utmost respect is firmly against the traditions and sanctity of our military family and will not be tolerated. Leada Gore, AL.com, "Air National Guard members punished over dinosaur video," 19 Apr. 2018 In January, Odinga took a symbolic presidential oath in a Nairobi park in a direct challenge to Kenyatta. George Obulutsa, The Christian Science Monitor, "Kenya's president and opposition leader promise to unite country," 9 Mar. 2018 The suspect swore an oath to kill a Capital writer who wrote about him in 2011. Heidi Stevens, chicagotribune.com, "Thank you, Trump, for changing your mind and lowering the flags for Annapolis victims," 3 July 2018 Every person who enlists in the U.S. military swears this oath of loyalty and honor to their country. Michael Harriot, The Root, "Active-Duty Marine Moonlights as Leader of Violent White Supremacist Group: Report," 8 May 2018 The woman who took the oath with the puppet was removed from her full-time position with the Tennessee Joint Public Affairs Office. CBS News, "Punishment doled out after officer takes oath with hand puppet," 19 Apr. 2018 Our senior military swear an oath upon every promotion: not to the office of the President, but to the Constitution. James Stavridis, Time, "Ret. Admiral: President Trump’s Actions Are Making Many Military Leaders Uncomfortable," 16 Apr. 2018

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.

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First Known Use of oath

before the 12th century, in the meaning defined at sense 1a(1)

History and Etymology for oath

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

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Dictionary Entries near oath

oater

Oates

oat grass

oath

oathay

oath helper

oath of calumny

Statistics for oath

Last Updated

23 Mar 2019

Look-up Popularity

Time Traveler for oath

The first known use of oath was before the 12th century

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More Definitions for oath

oath

noun

English Language Learners Definition of oath

: a formal and serious promise to tell the truth or to do something
old-fashioned : an offensive or rude word that is used to express anger, frustration, surprise, etc.

oath

noun
\ ˈōth How to pronounce oath (audio) \
plural oaths\ ˈōt͟hz , ˈōths \

Kids Definition of oath

1 : a solemn promise to tell the truth or do a specific thing
2 : an obscene or impolite word used to express anger or frustration

oath

Medical Definition of oath

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oath

noun

Legal Definition of oath

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 : a promise (as to perform official duties faithfully) corroborated by an oath — compare perjury
under oath
: under a solemn and especially legal obligation to tell the truth (as when testifying)

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More from Merriam-Webster on oath

Rhyming Dictionary: Words that rhyme with oath

Thesaurus: All synonyms and antonyms for oath

Spanish Central: Translation of oath

Nglish: Translation of oath for Spanish Speakers

Britannica English: Translation of oath for Arabic Speakers

Britannica.com: Encyclopedia article about oath

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