adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Not flammable.

   "Refrigerators used for flammables should be unflammable material storage units or explosion-free."

Synonyms

All synonyms

inflammablenonflammablenoninflammableuninflammable

Antonyms

All antonyms

combustibleflammableinflammable

Example

More examples

"Refrigerators used for flammables should be unflammable material storage units or explosion-free."

Etymology

From un- + flammable.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.