1. having no lungs; lacking lungs as a respiratory organ
Usage: often used in biology and zoology to describe certain animals

Examples

• Lungless salamanders breathe through their skin and the lining of their mouths.
• Many amphibians are lungless and rely on cutaneous respiration.
• The lungless frog species has adapted to absorb oxygen directly through its skin.
• Scientists study lungless fish to understand alternative respiratory systems.
• Some lungless creatures live in oxygen-rich water environments.