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oath

nounverbcommon in dialogue

  • United Kingdom//ˈəʊθ//
  • United States//ˈoʊθ//

A solemn pledge or promise that invokes a deity, a ruler, or another entity (not necessarily present) to attest the truth of a statement or sincerity of one's desire to fulfill a contract or promise.

noun

  1. 1

    A solemn pledge or promise that invokes a deity, a ruler, or another entity (not necessarily present) to attest the truth of a statement or sincerity of one's desire to fulfill a contract or promise.

    take an oath

    swear an oath

    break one's oath

    But all of us took an oath to do our duty when we joined the Space Force, and I fully expect everyone to willingly keep their word. But you took no oath, and have no obligation.

  2. 2

    A statement or promise which is strengthened (affirmed) by such a pledge.

    After taking the oath of office, she became the country's forty-third premier.

    The generals swore an oath of loyalty to the country.

    Wrex: [sigh] Before I left, I made an oath to my father's father. Wrex: I swore to recover my family's battle armor. It was taken from him after the uprising.

  3. 3

    A light, irreverent or insulting appeal to a deity or other entity.

  4. 4

    A curse, a curse word.

    The farther from the Senator's office, the darker and older the furniture, the freer fly four-letter oaths, the higher the heaps of unfiled and unattended papers culminating in a frenzy of pulp in the press section[…]

Etymology

From Middle English ooth, oth, ath, from Old English āþ (“oath”), from Proto-West Germanic *aiþ (“oath”), from Proto-Germanic *aiþaz (“oath”). Cognate with Scots aith, athe (“oath”), North Frisian ith, iss (“oath”), Saterland Frisian Eed (“oath”), West Frisian eed (“oath”), Dutch eed (“oath”), German Eid (“oath”), Swedish ed (“oath”), Icelandic eið (“oath”), Latin ūtor (“make use of, employ, avail”, verb), Old Irish óeth (“oath”).

verb

  1. 1

    archaicTo pledge.

Forms

plural
oaths
past tense
oathed
past participle
oathed
present participle
oathing
third person singular
oaths
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).