Added 10 October 2026
intervene
/ˌɪntəˈviːn/ verb
In Latin: intercēdō Wiktionary
verb Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about intervene at Wordnik → Where our words come from →
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To become involved in a situation, so as to alter or prevent an action. .mw-parser-output .object-usage-tag{font-style:italic}.mw-parser-output .deprecated{color:var(--wikt-palette-grey-lime-8,olivedrab)}[with in]
The police had to be called to intervene in the fight.
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To occur, fall, or come between, points of time, or events.
An instant intervened between the flash and the report.
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To occur or act as an obstacle or delay.
Nothing intervened to prevent the undertaking.
Origin
Back-formation from intervention, and/or from Latin interveniō (“come between”, verb).
From Wiktionary, via Kaikki.org (CC BY-SA)