1. lacking iron; containing no iron or very little iron
Usage: technical or specialized usage
2. without an iron or irons (the golf club); not equipped with an iron
Usage: golf terminology

Examples

• The ironless diet was recommended for patients with hemochromatosis.
• Some water filters are designed to be ironless to prevent mineral buildup.
• He played the ironless round using only his woods and putter.
• The ironless supplement was formulated for those who need to avoid excess iron.
• Modern ironless cookware is often made from ceramic or non-stick materials.