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Showing results for combustible. Search instead for combustibles.
Synonyms

combustible

American  
[kuhm-buhs-tuh-buhl] / kəmˈbʌs tə bəl /

adjective

  1. capable of catching fire and burning; inflammable; flammable.

    Gasoline vapor is highly combustible.

  2. easily excited.

    a high-strung, combustible nature.


noun

  1. a combustible substance.

    Trucks carrying combustibles will not be allowed to use this tunnel.

combustible British  
/ kəmˈbʌstəbəl /

adjective

  1. capable of igniting and burning

  2. easily annoyed; excitable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a combustible substance

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • combustibility noun
  • combustibleness noun
  • combustibly adverb
  • uncombustible adjective

Etymology

Origin of combustible

From the Late Latin word combūstibilis, dating back to 1520–30. See combust, -ible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If those Lakers — combustible and bored but built better than every other team on the planet at the time — could turn the triple play, so can Roberts’ drama-free superteam.

From Los Angeles Times • Mar. 23, 2026

Queens Park Rangers' demise was less nostalgia-tinged decline and more a combustible two-season spell fuelled by big reputations earning bigger bucks.

From BBC • Mar. 13, 2026

The author also keeps an eye on the larger socio-political context, particularly in Philadelphia during the Mayor Frank Rizzo era, when racial tension was combustible.

From The Wall Street Journal • Feb. 12, 2026

The calm that followed has been imposed rather than negotiated, leaving the situation highly combustible.

From BBC • Jan. 30, 2026

Trains heading into Mexico City stop first in Lecherfa to leave any cars with combustible contents.

From "Enrique's Journey" by Sonia Nazario