from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Easily ignited and capable of burning rapidly; inflammable.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Capable of burning, especially a liquid.
  • adj. Easily set on fire.
  • adj. Subject to easy ignition and rapid flaming combustion.
  • n. Any flammable substance.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Inflammable.

from The Century Dictionary and Cyclopedia

  • Capable of being kindled into flame; inflammable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. easily ignited


From Latin flammāre, to set fire to, from flamma, flame; see bhel-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin inflammare ‘to set on fire’ + the suffix -able via English inflammable. The in- prefix is dropped to avoid confusion with non-flammable. (Wiktionary)


  • Yes | No | Report from panfishman wrote 22 weeks 5 days ago cotton burns good, cotton soaked in flammable stuff burns really good, a soda can filled to the very top with gasoline will light a fire that is buried under ten inches of snow. the trick is finding what burns best and what lights it easiest.

    Build A Survival Fire With Condoms and Underwear

  • They look like a man made fabric, so very flammable is the answer.

    Armor of God PJs | My[confined]Space

  • These are the people we should be on the look-out for, not just some loser in flammable Adidas who can't work a child-proof Bic lighter.

    February 2006

  • The facility had no site map indicating where hazardous materials were stored as required by law, and employees had failed to properly label flammable materials including gasoline.

  • It's highly flammable, which is why firefighters had to finish extinguishing hotspots before investigators could get to the dead men inside. rss feed

  • Cough syrups and other medicines often contained alcohol, which is classified as a flammable liquid. stories: News

  • 'Carbon dioxide is non-flammable, which is important because electrosurgical devices are commonly used in laparoscopic procedures.

    AME Info Latest News

  • Conifer dominance itself promotes the occurrence of large, landscape scale fires through characteristics such as flammable foliage and ladder fuels (defined by Helms [19] as “combustible material that provides vertical continuity between vegetation strata and allows fire to climb into the crowns of trees or shrubs with relative ease”).

    Arctic boreal forest environments

  • MIKE BROOKS, CNN CORRESPONDENT: Well, Fred, we believe it was some kind of flammable liquid.

    CNN Transcript Nov 29, 2006

  • OK, I'm off to look up "flammable" and "inflammable", just to restore some order to my world. STILL UNPACKED.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.