flammable

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flammable

  • /ˈflæməbl̩/

Where it comes from

Back-formation from inflammable, which is used to avoid confusion with non-flammable, as the prefix in- is often used to mean "un-; non-", although it was originally meant in a sense closely related to en-.

adjective more flammable · most flammable

  1. Capable of burning. Near-synonym: ignitable

    Similar: inflammable[contronym]]ic senses>, combustible, ignitable · Opposite: inflammable[contronym]]ic senses>, non-flammable, nonflammable, noninflammable, unflammable, uninflammable, fireproof, incombustible

  2. Easily set on fire. Near-synonym: ignitable

    Similar: inflammable[contronym]]ic senses>, ignitable · Opposite: inflammable[contronym]]ic senses>, non-flammable, nonflammable, noninflammable, unflammable, uninflammable, fireproof, incombustible

  3. Subject to easy ignition and rapid flaming combustion.

    Similar: inflammable[contronym]]ic senses>, ignitable · Opposite: inflammable[contronym]]ic senses>, non-flammable, nonflammable, noninflammable, unflammable, uninflammable, fireproof, incombustible

  4. figuratively Very likely to cause fighting or controversy; extremely contentious. In considering the possible commitment of U.S. forces to South Vietnam , the Joint Chiefs of Staff have reviewed the overall critical situation in Southeast Asia with particular emphasis upon the present highly flammable situation in South Vietnam.

noun flammables

  1. Any flammable substance.

Thesaurus

Closest in meaning: ignitable, ignitible, inflammable, combustible, burnable, incendiary, flammability, combustion, ignited, preparations, vapours, lightable, fiery, accendible, combustious, flameable

Translations

Every language

adj easily set on fire

Españolinflamable
中文易燃 Yì rán
Françaisinflammable, enflammable
Deutschfeuergefährlich, leichtentzündlich
Ελληνικάεύφλεκτος éfflektos

adj capable of burning — see also inflammable

Españolinflamable
中文易燃 yìrán
Portuguêsinflamável
Françaisinflammable, enflammable
Deutschbrennbar, entzündbar, entflammbar
Italianoinfiammabile
Ελληνικάεύφλεκτος éfflektos, αναφλέξιμος anafléximos, εκρηκτικός ekriktikós, ευέξαπτος evéxaptos
Русскийогнеопа́сный ogneopásnyj, легковоспламеня́ющийся lexkovosplamenjájuščijsja
עבריתדליק dalík

adj subject to easy ignition and rapid flaming combustion

Françaisinflammable, enflammable

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Cite this
MLA

"flammable." Wiktionary, via Micwyn, micwyn.com/word/flammable. Accessed 6 Nov. 2026.

APA

flammable. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/flammable

Chicago

"flammable." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/flammable.

BibTeX
@misc{flammable_2026,
  title = {flammable},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/flammable},
  urldate = {2026-11-06}
}