Standard Lemma guide

defusion

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

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  • UK: /diːˈfjuːʒən/

1

noun

Meaning 1

The act of defusing.

Definition source: English Wiktionary via Wiktextract

Usage: proscribed, uncountable

Examples

  • 1992, Scott M. Cutlip, “The invasion of public relations' domain by lawyers and marketers”, section 1, Communication World, International Association of Business Communicators Contrast Exxon's failures with Johnson & Johnson's successful defusion of its Tylenol crisis - that response directed by a seasoned public relations officer - Larry Foster.
  • 2002 August 1, Sara Powell, “Nuclear-powered animosities. (Human Rights)”, Washington Report on Middle East Affairs, American Educational Trust Dr. Ghulam Nabi Fai, executive director of the Kashmiri-American Council, argued that the international community...made a fundamental mistake by making its primary objective the defusion of tension rather than trying to settle the issue of Kashmir.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The separation of an emotion or behavior-provoking verbal stimulus from the unwanted emotional or behavioral response as part of a therapeutic process. A neologism meant to indicate the reversal of thought-emotion-action fusion.

Definition source: English Wiktionary via Wiktextract

Usage: countable, neologism, uncountable

Topics: human-sciences, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Misspelling of diffusion.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, misspelling

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From defuse + -ion, apparently by analogy with fusion etc.

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- English fusion English defusion From de- + fusion.