Standard Lemma guide

ipsedixitism

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˌɪpsiːˈdɪksɪtɪzəm/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ˌɪpsiˈdɪksɪtɪzəm/
  • General-American: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

An unfounded, false and dogmatic assertion; an ipse dixit.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The practice of making such assertions.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

an unsupported dogmatic assertion

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ipse dixit

Antonyms: none provided

Broader terms: assertion, averment, asseveration

History

Etymology

From Latin ipse dīxit (“he himself said it”, used in the Middle Ages in reference to Aristotle) + -ism. Coined in the late 18th century by Jeremy Bentham.