incendiary

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UK/ɪnˈsɛn.dɪ.əɹ.i/UK/ɪnˈsɛn.djəɹ.i/US/ɪnˈsɛn.di.ɛɹ.i/US/ɪnˈsɛn.di.əɹ.i/

adjective

Capable of, or used for, or actually causing fire.

“Politics is an incendiary topic; it tends to cause fights to break out.”

Less commonScrabble 16

Meanings

adjectiveincendiary (comparative more incendiary, superlative most incendiary)

comparative more incendiary · superlative most incendiary

  1. Capable of, or used for, or actually causing fire.

    We saw photographs of bodies riddled with pellets from fragmentation bombs or charred by incendiary weapons (besides napalm, the Americans also drop white phosphorus, Thermit, and magnesium on the Vietnamese).

    1969, Susan Sontag, “Trip to Hanoi”, in Styles of Radical Will, Kindle edition, Penguin Modern Classics, published 2009, →ISBN, page 246
    2 more examples

    Driving 2-6-2 locomotive No. 4771 Green Arrow, Blunt suddenly noticed that the tunnel mouth was silhouetted in a dazzling white glare and that incendiary bombs were showering down in their hundreds, he slammed on all his brakes and brought his train to a stop just inside the tunnel.

    1944 July and August, “Top Link Drivers: XXI—Driver H. Blunt, L.N.E.R.”, in Railway Magazine, page 226

    Blast after blast, fiery outbreak after fiery outbreak, like a flaming barrage from within,[…]most of Edison's grounds soon became an inferno. As though on an incendiary rampage, the fires systematically devoured the contents of Edison's headquarters and facilities.

    2006, Edwin Black, chapter 1, in Internal Combustion
  2. engineeringOf a damaging fire, intentionally caused rather than accidental.

    The Crown must prove beyond a reasonable doubt that the fire was incendiary in origin; that is, it was not accidental and that it was either intentionally or recklessly set by the accused.

    2003 December 18, Adams, j., Newfoundland and Labrador Supreme Court, Trial Division, “R. v. Leite (F.), 2003 NLSCTD 181”, in CanLII, retrieved 03 Oct 2021
  3. figurativelyIntentionally stirring up strife, riot, rebellion.
    1 more example

    Earlier that year Italian Jews had come under serious attack when an incendiary publication, Gli ebrei in Italia (The Jews in Italy), had flooded the bookshops. The author, Paolo Orano, was a Fascist publicist whose book helped to harden Italian public sensibility against the Jews and pave the way for their eventual persecution.

    2014, Ian Thomson, Primo Levi: A Life, Metropolitan Books, →ISBN, page 123
  4. figurativelyInflammatory, emotionally charged.

    Politics is an incendiary topic; it tends to cause fights to break out.

nounincendiary (plural incendiaries)

plural incendiaries

  1. Something capable of causing fire, particularly a weapon.

    The military used incendiaries to destroy the building. Fortunately, the fire didn't spread.

  2. One who maliciously sets fires.

    Synonyms: arsonist

  3. figurativelyOne who excites or inflames factions into quarrels.

    March 7, 1692, Richard Bentley, The Folly of Atheism Several cities […] drove them out as incendiaries.

    Synonyms: agitator

Synonyms & antonyms

nounOne who maliciously sets fires.

Similar

nounOne who excites or inflames factions into quarrels.

Similar

More synonyms by meaning

adjectivearousing to action or rebellion

adjectivecapable of catching fire spontaneously or causing fires or burning readily

nouna criminal who illegally sets fire to property

nouna bomb that is designed to start fires; is most effective against flammable targets (such as fuel)

Similar
incendiary bombfirebomb
Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinincendiārius“setting alight”
  2. Old Frenchincendiaire
  3. Middle Englishincendiarie
  4. Englishincendiary

From Middle English incendiarie, from Old French incendiaire, from Latin incendiārius (“setting alight”), from incendium (“destructive fire”), from incendō (“to set on fire, kindle”), from in- (“into, in, on, upon”) + candeō (“to be hot”).

Full word history & related roots →

Translations

Arabic تَحْرِيضِيّ
  • تَحْرِيضِيّ (taḥrīḍiyy)intentionally stirring up strife, riot, rebellion
Bulgarian запали́телен, пострека́телски
  • запали́телен (zapalítelen)capable of causing fire
  • пострека́телски (postrekátelski)intentionally stirring up strife, riot, rebellion
  • запали́телен снаря́д (zapalítelen snarjád)something capable of causing fire
  • подстрека́тел (podstrekátel)instigator
  • подстрека́телка (podstrekátelka)instigator
Catalan incendiari, incendiari
  • incendiaricapable of causing fire
  • incendiariintentionally stirring up strife, riot, rebellion
  • incendiariinflammatory, emotionally charged
Chinese Mandarin 放火的, 煽動性的 /煽动性的
  • 放火的 (fànghuǒ de)capable of causing fire
  • 煽動性的 /煽动性的 (shāndòngxìng de)inflammatory, emotionally charged
Czech zápalný, žhářský
  • zápalnýcapable of causing fire
  • žhářskýcapable of causing fire
  • buřičskýintentionally stirring up strife, riot, rebellion
  • ohnivýinflammatory, emotionally charged
Finnish tulenarka, lietsova
  • tulenarkacapable of causing fire
  • lietsovaintentionally stirring up strife, riot, rebellion
  • tulenarkainflammatory, emotionally charged
  • palopommisomething capable of causing fire
  • sytykesomething capable of causing fire
  • palopuhujainstigator
French incendiaire
  • incendiairecapable of causing fire
German Brand-, entzündlich
  • Brand-capable of causing fire
  • entzündlichcapable of causing fire
  • entflammbarcapable of causing fire
  • aufrührerischintentionally stirring up strife, riot, rebellion
  • aufwieglerischintentionally stirring up strife, riot, rebellion
  • hetzerischintentionally stirring up strife, riot, rebellion
  • Reiz-inflammatory, emotionally charged
  • Brandbombesomething capable of causing fire
Italian incendiario
  • incendiariocapable of causing fire
Latin incendiarius
  • incendiariussomething capable of causing fire
Norwegian Bokmål brennbar, opprørsk
  • brennbarcapable of causing fire
  • opprørskintentionally stirring up strife, riot, rebellion
  • oppviglerskintentionally stirring up strife, riot, rebellion
  • hetsendeintentionally stirring up strife, riot, rebellion
  • brennbarinflammatory, emotionally charged
  • farliginflammatory, emotionally charged
  • brannfakkelsomething capable of causing fire
  • oppviglerinstigator
  • opprørerinstigator
  • brannstifterinstigator
Polish palny, łatwopalny
  • palnycapable of causing fire
  • łatwopalnycapable of causing fire
  • zapalającycapable of causing fire
  • wichrzycielskiintentionally stirring up strife, riot, rebellion
  • prowokacyjnyintentionally stirring up strife, riot, rebellion
  • podjudzającyintentionally stirring up strife, riot, rebellion
  • zapalającyintentionally stirring up strife, riot, rebellion
  • prowokacyjnyinflammatory, emotionally charged
  • bomba zapalającasomething capable of causing fire
  • podpalaczone who maliciously sets fires; arsonist
  • podpalaczkaone who maliciously sets fires; arsonist
  • agitatorinstigator
  • agitatorkainstigator
  • podżegaczinstigator
  • podżegaczkainstigator
  • podjudzaczinstigator
  • podjudzaczkainstigator
Portuguese incendiário, inflamado
  • incendiáriocapable of causing fire
  • inflamadoinflammatory, emotionally charged
  • acaloradoinflammatory, emotionally charged
Russian зажига́тельный, подстрека́ющий
  • зажига́тельный (zažigátelʹnyj)capable of causing fire
  • подстрека́ющий (podstrekájuščij)intentionally stirring up strife, riot, rebellion
  • разжига́ющий (razžigájuščij)intentionally stirring up strife, riot, rebellion
  • подстрека́тельский (podstrekátelʹskij)intentionally stirring up strife, riot, rebellion
  • зажига́тельный боеприпа́с (zažigátelʹnyj bojepripás)something capable of causing fire
  • подстрека́тель (podstrekátelʹ)instigator
  • подстрека́тельница (podstrekátelʹnica)instigator
Scottish Gaelic loisgeach, loisgeach
  • loisgeachcapable of causing fire
  • loisgeachintentionally stirring up strife, riot, rebellion
Ukrainian запа́лювальний, запальни́й
  • запа́лювальний (zapáljuvalʹnyj)capable of causing fire
  • запальни́й (zapalʹnýj)capable of causing fire
Urdu آتِش گیر
  • آتِش گیر (ātiśgīr)capable of causing fire
Cite this entry
APA

incendiary. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/incendiary

MLA

“incendiary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/incendiary. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “incendiary,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/incendiary.

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