1. not protected by insulating material; lacking insulation

Examples

• The uninsulated pipes froze during the winter storm.
• Workers must be careful around uninsulated electrical wires.
• The old house had uninsulated walls that made heating expensive.
• Uninsulated attics can lead to significant energy loss.
• The uninsulated garage was too cold to use as a workshop.
• Safety regulations require covering all uninsulated cables.