1. not easily set on fire; resistant to burning or ignition
Usage: Often used interchangeably with 'nonflammable' in modern usage, though 'nonflammable' is more common in technical and safety contexts.

Examples

• The building code requires noninflammable materials for interior walls.
• These noninflammable fabrics are ideal for children's sleepwear.
• The manufacturer tested the noninflammable coating on the furniture.
• Noninflammable insulation is preferred in high-risk industrial settings.
• The paint was labeled as noninflammable and safe for indoor use.