Combustible

01 a. Capable of taking fire and burning; apt to catch fire; inflammable.

1.
Capable of taking fire and burning; apt to catch fire; inflammable.
“Sin is to the soul like fire to combustible matter.” — South.
2.
Easily kindled or excited; quick; fiery; irascible.
“Arnold was a combustible character.” — W. Irving.

02 n. A substance that may be set on fire, or which is liable to take fire and burn.

1.
A substance that may be set on fire, or which is liable to take fire and burn.
“All such combustibles as are cheap enough for common use go under the name of fuel.” — Ure.