flam·​ma·​ble | \ ˈfla-mə-bəl \

Definition of flammable

: capable of being easily ignited and of burning quickly

Keep scrolling for more

Other Words from flammable

flammable noun

Examples of flammable in a Sentence

avoid wearing loose flammable clothing when using the blowtorch

Recent Examples on the Web

The average time to escape a home fire has gone from 17 minutes to just three minutes or less in the past few decades due to flammable materials and contemporary open floor plans. Caroline Picard, Good Housekeeping, "Why Closing the Bedroom Door at Night Could Save Your Life," 10 Oct. 2018 Additionally, most building codes require generators to be at least 5 feet from a house opening and 5 feet from flammable materials, making urban installations tricky. David Agrell, Popular Mechanics, "Should You Buy a Standby Generator?," 11 Sep. 2018 Dispose of all flammable items that can't be transported, including paint, chemicals, and aerosol cans. Amanda Garrity, Good Housekeeping, "Follow This Weekly Moving Checklist for a Smooth, Stress-Free Transition," 5 Dec. 2018 In addition, never light fireworks indoors and keep them away from dry grass and other flammable items. Stephanie Petit, PEOPLE.com, "How to Stay Safe While Setting Off Fireworks This July 4th," 4 July 2018 Gary firefighters have asked for the school district to remove flammable items and materials left long abandoned in schools that were abruptly shuttered dating back to the early 2000’s. Meredith Colias-pete, Post-Tribune, "Gary schools detail progress on debt as unions say it came at their expense," 28 June 2018 Never grill near dry grass, brush or other flammable items. Thomas H., Royal Oak, Mich. Dear Readers: Pears are one of my favorite fruits. Heloise, Houston Chronicle, "What are these?," 19 June 2018 The man had poured flammable liquid over his hostage and was attempting to set her on fire when police stormed the pharmacy. Andrea Thomas, WSJ, "German Police Investigate Hostage-Taking as Possible Terror Attack," 16 Oct. 2018 Chambers, a cheerleader, had severe burns covering 93 percent of her body after being doused with a flammable liquid and set ablaze. Travis Fedschun, Fox News, "Jessica Chambers' last words analyzed as court told of mystery hitchhiker during burning death retrial," 27 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flammable.' 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 flammable

1813, in the meaning defined above

History and Etymology for flammable

Latin flammare to flame, set on fire, from flamma

Keep scrolling for more

Learn More about flammable

Statistics for flammable

Last Updated

5 Jan 2019

Look-up Popularity

Time Traveler for flammable

The first known use of flammable was in 1813

See more words from the same year

Keep scrolling for more

More Definitions for flammable



English Language Learners Definition of flammable

: capable of being set on fire and of burning quickly


flam·​ma·​ble | \ ˈfla-mə-bəl \

Kids Definition of flammable

: capable of being easily set on fire and of burning quickly

Keep scrolling for more

More from Merriam-Webster on flammable

Thesaurus: All synonyms and antonyms for flammable

Spanish Central: Translation of flammable

Nglish: Translation of flammable for Spanish Speakers

Comments on flammable

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


means, resources, or money

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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