diallelous

D2I1A1L1L1E1L1O1U1S1

adjective

Involving circular reasoning.

“Saying skydiving is unsafe because it's dangerous and then saying it's dangerous because it's unsafe is diallelous.”

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Meanings

adjectivediallelous (comparative more diallelous, superlative most diallelous)

comparative more diallelous · superlative most diallelous

  1. human sciencesInvolving circular reasoning.

    Saying skydiving is unsafe because it's dangerous and then saying it's dangerous because it's unsafe is diallelous.

    1 more example

    Diallelous. […] What is generally called defining reasoning in a circle.

    1878, Francis Garden, A Dictionary of English Philosophical Terms, page 46

Origin

From diallel + -ous.

Full word history & related roots →
Cite this entry
APA

diallelous. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diallelous

MLA

“diallelous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diallelous. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “diallelous,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diallelous.

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