Unburnable
Synonyms for Unburnable
- incombustible
- uninflammable
- noninflammable
- flameproof
- fireproof
- non-flammable
- non-combustible
- not inflammable
- non-inflammable
- flame-resistant
- fire-resistant
- flame-retardant
- fire resistant
- flame resistant
- flame retardant
- heatproof
For more similar words, try Unburnable on Thesaurus.plus dictionary