Oath Definition

ōth
oaths
noun
oaths
A ritualistic declaration, typically based on an appeal to God or a god or to some revered person or object, that one will speak the truth, keep a promise, remain faithful, etc.
Webster's New World
The words or formula of such a declaration or promise.
American Heritage
The ritual form used in making such a declaration.
Webster's New World
The thing promised or declared in this way.
Webster's New World
The irreverent or profane use of the name of God or of a sacred thing to express anger or emphasize a statement.
Webster's New World
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verb

(archaic) To pledge.

Wiktionary
Shouting out (as in 'oathing obsenities')
Wiktionary
Synonyms:
other
A sworn promise to carry out the duties and responsibilities of a position, diligently and as required by law.
Webster's New World Law
idiom
take an oath
  • To agree to a pledge of truthfulness or faithful performance.
American Heritage
under oath
  • Under a burden or responsibility to speak truthfully or perform an action faithfully.
American Heritage
take oath
  • to promise or declare by making an oath; swear solemnly
Webster's New World
under oath
  • bound or obligated by having made a formal oath, as in a court of law
Webster's New World
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Other Word Forms of Oath

Noun

Singular:
oath
Plural:
oaths

Idioms, Phrasal Verbs Related to Oath

  • take an oath
  • under oath
  • take oath
  • under oath

Origin of Oath

  • From Middle English ooth, oth, ath, from Old English āþ (“oath"), from Proto-Germanic *aiþaz (“oath"), from Proto-Indo-European *oyt- (“oath"). Cognate with Scots aith, athe (“oath"), North Frisian ith, iss (“oath"), West Frisian eed (“oath"), Dutch eed (“oath"), German Eid (“oath"), Swedish ed (“oath"), Icelandic eið (“oath"), Latin Å«tor (“use, employ, avail"), Old Irish óeth (“oath").

    From Wiktionary

  • Middle English oth from Old English āth

    From American Heritage Dictionary of the English Language, 5th Edition

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