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Definition of flammability

flammability

/ˌflæm.əˈbɪl.ə.ti/
flam · ma · bil · i · ty
Adverb:flammably
•
Plural:flammabilities
•
Adjective:flammable
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flammability Lexical Profile

flammability Game Scores & Validity

• noun

1

The quality or degree of being easily ignited and capable of burning rapidly.

Example

"Safety inspectors tested the flammability of the new synthetic fabric before approving it for children's sleepwear."

Synonyms
View all synonyms for flammability
Antonyms
View all antonyms for flammability

Word Nuance & Usage

"Flammability" and "inflammability" mean the exact same thing (the ability to catch fire easily); however, "flammability" is strongly preferred in modern safety and technical contexts to avoid the dangerous misconception that the prefix "in-" means "non-flammable."

• Rhymes for flammability

• Nearby Words

flaming
flamingo
flamingo flower
flammability
flammable
flan
flanders

Word Origin & Etymology

Formed in the 19th century from "flammable" and the suffix "-ity", ultimately tracing back to the Latin verb "flammare" (to set on fire), from "flamma" (flame).

Cite this Entry

Wordmom. (2026). Definition of Flammability. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/flammability
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