Word.ws English Dictionary

swear upon

swear upon verb: to take an oath on someone or something.

Verb

swear upon (third-person singular simple present swears upon, present participle swearing upon, simple past swore upon, past participle sworn upon)

  1. (formal, transitive) To take an oath on someone or something.
    • to swear upon the Holy Writ to speak the truth
    • I'll swear upon that bottle to be thy true subject, for the liquor is not earthly.1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published...

Forms of swear upon

third-person singular presentswears upon
present participleswearing upon
pastswore upon
past participlesworn upon
alternative formswear on

Questions about swear upon

What does swear upon mean?
Swear upon means to take an oath on someone or something.
What part of speech is swear upon?
Swear upon is a verb.
What is the past tense of swear upon?
The past tense of swear upon is swore upon.

Words near swear upon in the dictionary

  1. swear on a stack
  2. swear on a stack of Bibles
  3. swear out
  4. swear the peace
  5. swear to God
  6. swear upon
  7. swear word
  8. swear words
  9. swearable
  10. sweard
  11. sweare

Source and license

Adapted from Wiktionary: swear upon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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