flam- +

Vomiting flames; such as, a volcano.

Of a reddish color.

1. Become inflamed; to get sore.
2. To arouse or to excite feelings and passions.
3. To excite an intense emotion, especially anger or jealousy, in someone.
4. To make an emotion; such as, anger or jealousy to become more intense.
5. To become, or to make body tissue become, red and swollen, in response to an injury or an infection.

1. Arousal to violent emotion.
2. To arouse to passionate feeling or action: "The recent crimes have inflamed the entire community."
3. To make more violent; to intensify.
4. To cause (the skin) to redden or grow hot, as from strong emotion or stimulants.
5. To turn red or to make something glow: "Many bonfires inflamed the night."

1. Easily ignited and capable of burning rapidly; flammable.
2. Quickly or easily aroused to strong emotion; excitable.

Historically, flammable and inflammable mean the same thing; however, the presence of the prefix in- has misled many people into assuming that inflammable means "not flammable" or "noncombustible".

The prefix in- as used in inflammable is not, however, the Latin negative prefix in-, which is related to the English un- and that appears in such words as indecent and inglorious.

The in- used in "inflammability" is an intensive prefix derived from the Latin preposition in. This prefix also appears in the word enflame, but many people are not aware of this derivation, and for clarity's sake it is advisable to use only flammable to give warnings.

1. Something that is quickly and easily set on fire and burned.
2. Capable of being set on fire; combustible; flammable.
3. Easily aroused or excited, as to passion or anger; irascible: "Her father had an inflammable disposition regarding the men she was dating."

The quality or state of being inflammable; inflammability.

1. Arousal to violent emotion.
2. A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes loss of function.
3. Redness, swelling, pain, and/or a feeling of heat in an area of the body.

This is a protective reaction to injury, disease, or irritation of the tissues.

4. The state of being emotionally aroused and worked up.
5. The act of setting on fire or of catching on fire.

1. Pertaining to or characterized by inflammation.
2. Tending to arouse anger, hostility, passion, etc.: "The politician kept making inflammatory speeches against the President."
3. Medical conditions caused by inflammation.

A person or thing that inflames.

1. Difficult to burn or to ignite.
2. Not combustible or easily set on fire.

Not inflammatory.

1. An inspiring standard or symbol.
2. The red or orange-red flag of the "Abbey of Saint Denis" in France, used as a standard by the early kings of France.
3. From Old French orie flame; from Latin aurea flamma, "golden flame".

1. Tending to cause inflammation.
2. Capable of promoting or stimulating inflammation; for example, air pollution may have proinflammatory effects.