flam·​ma·​bil·​i·​ty | \ ˌfla-mə-ˈbi-lə-tē How to pronounce flammability (audio) \

Definition of flammability

: ability to support combustion especially : a high capacity for combustion

Examples of flammability in a Sentence

Recent Examples on the Web The United States is on fire again, not its wooden cities but its desiccated West, reaching new peaks of flammability as the planet warms. Daniel Immerwahr, The New Republic, "How Trees Made Us Human," 1 Dec. 2020 Adaptive resilience includes retrofitting homes to reduce flammability and building in less fire-prone areas. Peter Fimrite, SFChronicle.com, "6 ways California can reduce dangerous wildfires," 28 Aug. 2020 The solace for those parties is that the fallback option will offer no shortage of offensive flammability and star power. Marc Stein, New York Times, "Damian Lillard Gets Help Moving Portland Out of the Yacht Club," 15 Aug. 2020 Rough it all up with a knife to increase flammability. T. Edward Nickens, Field & Stream, "Wild Fires," 9 Jan. 2017 Despite its flammability, the U.S. military typically does not use white phosphorus as a weapon but rather for marking purposes or to create smoke screens. Kyle Mizokami, Popular Mechanics, "Oops! An A-10 Warthog Accidentally Fired a Rocket During a Training Flight," 9 Sep. 2019 To use it, these scientists must stop their tokamaks completely, introduce the gas, then leave again because of the flammability. Caroline Delbert, Popular Mechanics, "This Powder—Not Gas—Could Rescue Nuclear Fusion," 26 Dec. 2019 The additive is one of many used in plastic to improve quality or decrease flammability. Peter Fimrite, SFChronicle.com, "Plastic-munching mealworms may be key to helping clean environment," 19 Dec. 2019 Balls of cotton wool were teased into fluffy piles—a fire hazard, given their flammability and the hot studio lights. The Economist, "Making white Christmases A short history of Hollywood snow business," 12 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flammability.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of flammability

1646, in the meaning defined above

Keep scrolling for more

Learn More about flammability

Time Traveler for flammability

Time Traveler

The first known use of flammability was in 1646

See more words from the same year

Statistics for flammability

Last Updated

9 Dec 2020

Cite this Entry

“Flammability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flammability. Accessed 18 Jan. 2021.

Comments on flammability

What made you want to look up flammability? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!