combustible
Americanadjective
-
capable of catching fire and burning; inflammable; flammable.
Gasoline vapor is highly combustible.
-
easily excited.
a high-strung, combustible nature.
noun
adjective
-
capable of igniting and burning
-
easily annoyed; excitable
noun
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
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.