theorise

T1H4E1O1R1I1S1E1

verb

to theorize (to formulate a theory, especially about some specific subject)

RareScrabble 11

Meanings

verbtheorise (third-person singular simple present theorises, present participle theorising, simple past and past participle theorised)

present singular third person theorises · participle present theorising · participle past theorised · past theorised

  1. UKnonstandardNon-Oxford British English standard spelling of theorize, particularly
  2. Non-Oxford British English standard spelling of theorize
    1. intransitiveto theorize (to formulate a theory, especially about some specific subject)

      In Physics of the Impossible, he theorises about how the gadgets that turn up in works by authors from HG Wells to JK Rowling (as well as the cardboard-scenery sci-fi TV of our youth) may become reality.

      2009 February 5, Sophia Martelli, “Beam us up, Michio”, in The Guardian
      2 more examples

      To explore effective pedagogies to motivate these bilingual doctoral researchers to theorise translingually, this paper draws upon methodologies about translingualism and intercultural doctoral education to dispel the recurrent doubts raised by these bilingual doctoral researchers.

      2023 October 28, Haibo Shen, “JIĀO/JIÀO 教 Chinese bilingual doctoral researchers to theorise translingually: A pedagogy for intercultural doctoral education”, in Linguistics and Education, volume 77, →DOI

      Because she was a known hitchhiker in the neighbourhood, police theorised that she must have gotten into a vehicle willingly with someone she either knew slightly or trusted on sight. This theory was never disproven or confirmed.

      2026 July 29, Nicholas Muhoro, “Amy Billig Vanished While Hitchhiking Through Coconut Grove. Then the Calls Began”, in Skip Boring, archived from the original on 31 Jul 2026

Synonyms & antonyms

verbto believe especially on uncertain or tentative grounds

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Hellenic*tʰā́wā
  2. Ancient Greekθέᾱ (théā)
  3. Proto-Indo-European*wer-
  4. Proto-Indo-European*h₃ekʷ-
  5. Proto-Indo-European*weyd-
  6. Ancient Greekὁράω (horáō)
  7. Ancient Greek*θεᾱ-(ϝ)ορός, *θεη-(ϝ)ορός (*theā-(w)orós, *theē-(w)orós)
  8. Ancient Greekθεωρός (theōrós)
  9. Ancient Greekθεωρία (theōría)
  10. Late Latintheōria
  11. Middle Frenchthéorie
  12. Englishtheory
  13. Englishtheorise

From theory + -ise.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

theorise. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/theorise

MLA

“theorise.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/theorise. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “theorise,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/theorise.

Source: theorise on Wiktionary, CC BY-SA 4.0.