Fire-resistant

adj.resilient, capableprofessional

What it means

Able to withstand fire and slow its spread.

Reach for it when reporting tested ability to withstand fire for a defined period or condition

Fire-resistant panels add protection around the community kitchen.

everyday
fireproof
ordinary language is acceptable and the claim is truly supported
not when Fireproof can imply absolute immunity that no material provides.
warm
protected
a barrier or system reduces exposure
not when Protected is too vague unless the protection is named.
professional
fire-retardant
a treatment slows ignition or spread
not when Retardant materials may still burn and differ from resistant assemblies.
professional
flame-resistant
resistance to ignition and flame spread is measured
not when Flame resistance may not cover heat-driven structural failure.
professional
heat-resistant
high temperature rather than open flame is the hazard
not when Heat resistance does not prove fire resistance.
professional
noncombustible
the material does not burn under the named standard
not when Noncombustible is a classification, not a duration rating.

fire-resistant panels
Fire-resistant panels protect the community kitchen.
fire-resistant material
The door uses fire-resistant material around its core.
fire-resistant construction
Inspectors verified the fire-resistant construction around the stairwell.

Fire resistance, flame resistance, and noncombustibility are different test claims; use the term supported by the applicable standard.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.