Flame-retardant

adj. resilient, capable professional

What it means

Treated or made to resist catching fire.

Reach for it when describing material treated or made to slow ignition or flame spread

Flame-retardant curtains improve safety in the busy theater.

Words to choose between 5

By register, from playful at the top to literary at the bottom. Tap a word to see when it fits.
everyday
warm
professional
  • everyday

    fire-retardant

    Fits when the applicable terminology uses fire rather than flame

    Careful Fire-retardant still means delay, not immunity.

  • warm

    treated

    Fits when a protective treatment is the only verified fact

    Careful Treated is too vague unless the treatment and result are named.

  • professional

    fire-resistant

    Fits when an assembly withstands fire for a rated period

    Careful A resistant assembly is not interchangeable with treated fabric.

  • professional

    flame-resistant

    Fits when a tested material resists ignition or spread

    Careful Resistance and retardancy can refer to different test properties.

  • professional

    self-extinguishing

    Fits when burning stops after the ignition source is removed

    Careful Self-extinguishing says nothing about smoke or heat release.

Opposites 3

  • flammable
  • combustible
  • untreated

Common phrases 3

  • flame-retardant fabric

    The theater installed flame-retardant fabric around the stage.

  • flame-retardant treatment

    The label identifies the flame-retardant treatment used.

  • flame-retardant material

    Inspectors sampled the flame-retardant material after renovation.

Usage notes

Keep in mind

Fire-safety terms depend on test method and jurisdiction; do not imply that flame-retardant material cannot burn.

Definitions and examples are written for this site. How words are chosen Updated