Definition of flammablenext
as in combustible
capable of catching or being set on fire avoid wearing loose flammable clothing when using the blowtorch

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of flammable But within the house, violence lurked like flammable gas. Literary Hub, 24 Apr. 2026 These tools are notorious for be potential causes of house fires, more so if they're left on and touch something flammable, like a towel. Ashlyn Needham, Southern Living, 23 Apr. 2026 Keep all flammable objects away from fire. Stephen Underwood, Hartford Courant, 21 Apr. 2026 Additionally, do not mix acids with other acids or with flammable substances. Jolie Kerr, Better Homes & Gardens, 21 Apr. 2026 See All Example Sentences for flammable
Recent Examples of Synonyms for flammable
Adjective
  • That created an electrical arc that ignited combustible material on the ground.
    ABC News, ABC News, 26 Apr. 2026
  • That created an electrical arc that ignited combustible material on the ground.
    Los Angeles Times, Los Angeles Times, 25 Apr. 2026
Adjective
  • The attack happened Saturday when an explosive device was detonated on a bus traveling along the Pan-American Highway in the municipality of Cajibio.
    Los Angeles Times, Los Angeles Times, 26 Apr. 2026
  • The 6-3, 318-pound Hunter has good length (33 1/4-inch arms) but lacks explosive traits, as evidenced by his 21 1/2-inch vertical jump and 8-foot, four-inch broad jump.
    Tobias Bass, New York Times, 25 Apr. 2026
Adjective
  • Many works of Georges Méliès are even believed to have been burned as the original negatives, as the nitrate film stock is incredibly fragile and inflammable.
    Munis Raza, Interesting Engineering, 9 Mar. 2026
  • Flammable and inflammable mean the same thing.
    Boston Herald editorial staff, Boston Herald, 10 Feb. 2026

Browse Nearby Words

Cite this Entry

“Flammable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flammable. Accessed 1 May. 2026.

More from Merriam-Webster on flammable

Love words? Need even more definitions?

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

More from Merriam-Webster