Word.ws English Dictionary

Past tense of deduce

regular verb

The past tense of deduce is deduced. The past participle is also deduced.

Forms of deduce

Base form (V1)deduce /dɪˈdʒuːs/
Past tense (V2)deduced
Past participle (V3)deduced
Present participlededucing
Third person singulardeduces

Deduced in a sentence

  • One or two were hurriedly fetching ropes and yelling contradictory orders, from which I deduced that Mr.2007, Diana Gabaldon, A Breath of Snow and Ashes, page 320. From the entry certifiably
  • I haven'ta clue what it means but its computer code alright." Travis deduced.2007, L. J. Newlin, Trail Mix, page 158. From the entry garbley gook
  • If you deduced that “moriawase” means “assortment,” you may qualify for a career as an International Gourmand.1985 November 26, Robert Nadeau, “Café Sushi: The joy of not cooking”, in Richard M. Gaines, editor, The Boston Phoenix, volume XIV…. From the entry foodwriter
  • From the terms of the B—Z pair, the characteristic feature of complementary opposition can be deduced.1968, John-Erik Oscar Elmberg, Balance and circulation: Aspects of tradition and change among the Mejprat of Irian Brapat, page 51. From the entry feminacentric
  • Further beliefs of the early Turks can be deduced from their burial customs.1958, Thomas G[ustav] Winner, “The Kazakh Culture Pattern”, in The Oral Art and Literature of the Kazakhs of Russian Central Asia, Durham…. From the entry balbal

Meaning of deduce

  1. verb To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.
  2. verb To examine, explain, or record (something) in an orderly manner.
  3. verb To obtain (something) from some source; to derive.

Full definition of deduce

Questions about the past tense of deduce

What is the past tense of deduce?
The past tense of deduce is deduced.
What is the past participle of deduce?
The past participle of deduce is deduced.
Is deduce a regular or irregular verb?
Deduce is a regular verb: its past tense adds -d.

Source and license

Adapted from Wiktionary: deduce (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated:

Cite this page: “Past tense of deduce.” Word.ws, https://word.ws/past-tense/deduce. Based on Wiktionary, CC BY-SA 4.0.